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WIKIMAG n. 6 - Maggio 2013
Unmanned aerial vehicle
(Drone)
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An
unmanned aerial vehicle (UAV), commonly known as a
drone, is an
aircraft without a human
pilot on board. Its flight is controlled either autonomously by
computers in the vehicle, or under the
remote control of a
pilot on the ground or in another vehicle.[1]
There are a wide variety of drone shapes, sizes, configurations, and
characteristics. Historically, UAVs were simple remotely piloted
aircraft, but autonomous control is increasingly being employed.[2]
They are deployed predominantly for
military applications, but also used in a small but growing number
of civil applications, such as
policing,
firefighting, and nonmilitary security work, such as surveillance of
pipelines. UAVs are often preferred for missions that are too "dull,
dirty, or dangerous" for manned aircraft.
History
The earliest attempt at a powered unmanned aerial vehicle was
A. M. Low's "Aerial Target" of 1916.[3]
Nikola Tesla described a fleet of unmanned aerial combat vehicles in
1915.[4]
A number of remote-controlled airplane advances followed, including the
Hewitt-Sperry Automatic Airplane, during and after
World War I, including the first scale RPV (Remote Piloted Vehicle),
developed by the film star and
model airplane enthusiast
Reginald Denny in 1935.[3]
More were made in the technology rush during
World War II; these were used both to train antiaircraft gunners and
to fly attack missions.
Nazi Germany also produced and used various UAV aircraft during the
course of WWII.
Jet
engines were applied after World War II, in such types as the
Teledyne Ryan
Firebee I of 1951, while companies like
Beechcraft also got in the game with their
Model 1001 for the
United States Navy in 1955.[3]
Nevertheless, they were little more than remote-controlled airplanes
until the
Vietnam Era.
The birth of U.S. UAVs (called RPVs at the time) began in 1959 when
United States Air Force (USAF) officers, concerned about losing
pilots over hostile territory, began planning for the use of
unmanned flights.[5]
This plan became intensified when
Francis Gary Powers and his "secret"
U-2 were shot down over the
Soviet Union in 1960. Within days, the highly
classified UAV program was launched under the code name of "Red
Wagon".[6]
The August 2 and August 4, 1964, clash in the
Tonkin Gulf between naval units of the U.S. and North Vietnamese
Navy initiated America's highly classified UAVs into their first combat
missions of the
Vietnam War.[7]
When the "Red Chinese"[8]
showed photographs of downed U.S. UAVs via Wide World Photos,[9]
the official U.S. response was, "no comment."
There are two prominent drone programs within the United States: that
of the military and that of the
Central Intelligence Agency (CIA). The military’s drone program is
overt, meaning it is recognized by the public and therefore only
operates where US troops are stationed. The CIA’s program is covert.
Missions performed by the CIA’s drone program do not always occur where
US troops are stationed
[10]
The CIA’s drone program was commissioned as a result of the terrorist
September 11 attacks and the increasing emphasis on operations for
intelligence gathering in 2004.
[11] This clandestine program is primarily being used in
Afghanistan, Pakistan, Yemen, and Somalia. UAVs collect intelligence in
these countries by hovering around their target. The CIA’s first drone
program is called the Eagle Program. It was led by
Duane Clarridge, the director of the
Counterterrorism Center. This program constructed the CIA’s first
predator drone using “off the shelf technology”, which included items
such as garage door openers and model airplanes
[12]
Only on February 26, 1973, during testimony before the
United States House Committee on Appropriations, the U.S. military
officially confirmed that they had been utilizing UAVs in
Southeast Asia (Vietnam).[13]
While over 5,000 U.S. airmen had been killed and over 1,000 more were
either missing in action (MIA),
or captured (prisoners of war/POW);
the USAF
100th Strategic Reconnaissance Wing had flown approximately 3,435
UAV missions during the war,[14]
at a cost of about 554 UAVs lost to all causes. In the words of USAF
General
George S. Brown, Commander,
Air Force Systems Command in 1972, "The only reason we need (UAVs)
is that we don't want to needlessly expend the man in the cockpit."[15]
Later that same year, General
John C. Meyer, Commander in Chief,
Strategic Air Command, stated, "we let the drone do the high-risk
flying ... the loss rate is high, but we are willing to risk more of
them ... they save lives!"[15]
During the 1973
Yom Kippur War, Soviet-supplied surface to air missile batteries in
Egypt and Syria caused heavy damage to Israeli
fighter jets. As a result, Israel developed the first modern UAV.
Israel pioneered the use of UAVs for real-time surveillance, electronic
warfare and decoys.[16][17][18]
The images and radar decoying provided by these UAVs helped Israel to
completely neutralize the Syrian
air defenses at the start of the
1982 Lebanon War, resulting in no pilots downed.[19]
The first time drones were used as proof-of-concept of super-agility
post-stall controlled flight in combat flight simulations was with
tailless, Stealth-Technology-based three-dimensional Thrust Vectoring
flight control jet steering in Israel in 1987.[20]
With the maturing and miniaturization of applicable technologies as
seen in the 1980s and 1990s, interest in UAVs grew within the higher
echelons of the U.S. military. In the 1990s, the U.S. Department of
Defense gave a contract to U.S. corporation
AAI Corporation of
Maryland along with Israeli company Mazlat. The U.S. Navy bought the
AAI Pioneer UAV that was jointly developed by American AAI Corporation
and Israeli Mazlat, this type of drone is still in use. Many of these
Pioneer and newly developed U.S. UAVs were used in the 1991 Gulf War.
UAVs were seen to offer the possibility of cheaper, more capable
fighting machines that could be used without risk to aircrews. Initial
generations were primarily
surveillance aircraft, but some were armed (such as the
General Atomics MQ-1 Predator, which utilized
AGM-114 Hellfire
air-to-ground missiles). An armed UAV is known as an
unmanned combat air vehicle (UCAV).
As a tool for
search and rescue, UAVs can help find humans lost in the wilderness,
trapped in collapsed buildings, or adrift at sea.
In February 2013, it was reported that at drones were used by at
least 50 countries, several of which made their own - for example Iran,
Israel and China.[21]
The first UAV created was the Pioneer, which helps to identify
artillery and boats (Carafano & Gudgel, 2007). Since its performance was
so exemplary, they began to be used more and more, with new models
constantly being introduced. As of 2008, the United States Air Force
employed 5,331 drones, which is twice the number of manned planes
(Singer, 2009b). Out of these, the
Predators are the most commendable. Unlike other UAVs, the Predator
was armed with
Hellfire missiles so that it can terminate the target that it
locates (Carafano & Gudgel, 2007). This was done after Predators sighted
Osama Bin Laden multiple times but could not do anything about it
other than send back images. In addition, the
Predator is capable of orchestrating attacks by pointing lasers at
the targets (Singer, 2009b). This is important, as it puts a robot in a
position to set off an attack. Their overall success is apparent because
from June 2005 to June 2006 alone, Predators carried out 2,073 missions,
and participated in 242 separate raids (Singer, 2009a).
In contrast to the
Predator, which is remotely piloted via satellites by pilots located
7,500 miles away, the
Global Hawk operates virtually autonomously (Singer, 2009b). The
user merely hits the button for ‘take off’ and for ‘land’, while the UAV
gets directions via GPS and reports back with a live feed.
Global Hawks have the capability to fly from San Francisco, and map
out the entire state of Maine, before having to return (Singer, 2009b).
In addition, some UAVs have become so small that they can be launched
from one’s hand and maneuvered through the street (Singer, 2009a). These
UAVs, known as
Ravens, are especially useful in urban areas such as Iraq, in order
to discover insurgents and potential ambushes the next block up
(Carafano & Gudgel, 2007). Incidentally, UAVs are useful because that
they can float around for days at a time. According to Carafano &
Gudgel, insurgents are loathe to stay in the open for more than a few
minutes at a time for fear of UAVs locating them (2007).
FAA designation
In the United States, the
United States Navy and shortly after the
Federal Aviation Administration have adopted the name unmanned
aircraft (UA) to describe aircraft systems without a flight crew on
board. More common names include UAV, drone, remotely
piloted vehicle (RPV), remotely piloted aircraft (RPA),
remotely operated aircraft (ROA). These "limited-size" (as
defined by the
FAI) unmanned aircraft flown in the USA's
National Airspace System, flown solely for recreation and sport
purposes such as models, are generally flown under the voluntary safety
standards of the
Academy of Model Aeronautics,[22]
the United States' national aeromodeling organization. To operate a UA
for non-recreational purposes in the United States, users must obtain a
Certificate of Authorization (COA) to operate in national
airspace.[23]
At the moment, COAs require a public entity as a sponsor. For example,
when BP needed to observe oil spills, they operated the
Aeryon Scout UAVs under a COA granted to the University of Alaska
Fairbanks.[24]
COAs have been granted for both land and shipborne operations.[25]
The term unmanned aircraft system (UAS) emphasizes the
importance of other elements beyond an aircraft itself. A typical UAS
consists of the:
For example, the
RQ-7 Shadow UAS consists of four UAs, two GCSs, one portable GCS,
one Launcher, two Ground Data Terminals (GDTs), one portable GDT, and
one Remote Video Terminal. Certain military units are also fielded with
a maintenance support vehicle.
Because of this systemic approach, unmanned aircraft systems have not
been included in the United States Munitions List Category VIII –
Aircraft and Associated Equipment. Vice versa, the “Unmanned Aerial
Vehicle Systems” are clearly mentioned at paragraph 121-16 Missile
Technology Control Regime Annex of the United States Munitions List.
More precisely, the Missile Technology Control Regime Annex levels
rocket and unmanned aerial vehicle systems together.
The term UAS was since adopted by the
United States Department of Defense (DOD) and the British
Civil Aviation Authority (CAA).
The term used previously for unmanned aircraft system was
unmanned-aircraft vehicle system (UAVS).
Classification
UAVs typically fall into one of six functional categories (although
multi-role airframe platforms are becoming more prevalent):
- Target and decoy – providing ground and aerial gunnery a target
that simulates an enemy aircraft or missile
- Reconnaissance – providing battlefield intelligence
- Combat – providing attack capability for high-risk missions (see
Unmanned combat air vehicle)
- Logistics – UAVs specifically designed for cargo and logistics
operation
- Research and development – used to further develop UAV
technologies to be integrated into field deployed UAV aircraft
- Civil and Commercial UAVs – UAVs specifically designed for civil
and commercial applications
They can also be categorised in terms of range/altitude and the
following has been advanced as relevant at such industry events as
ParcAberporth Unmanned Systems forum:
- Hand-held 2,000 ft (600 m) altitude, about 2 km range
- Close 5,000 ft (1,500 m) altitude, up to 10 km range
- NATO type 10,000 ft (3,000 m) altitude, up to 50 km range
- Tactical 18,000 ft (5,500 m) altitude, about 160 km range
-
MALE (medium altitude, long endurance) up to 30,000 ft (9,000 m)
and range over 200 km
- HALE (high altitude, long endurance) over 30,000 ft (9,100 m)
and indefinite range
- HYPERSONIC high-speed, supersonic (Mach 1–5) or hypersonic (Mach
5+) 50,000 ft (15,200 m) or suborbital altitude, range over 200 km
- ORBITAL low earth orbit (Mach 25+)
- CIS Lunar Earth-Moon transfer
- CACGS Computer Assisted Carrier Guidance System for UAVs
The United States military employs a
tier system for categorizing its UAVs.
Classifications by the United States military
The modern concept of U.S. military UAVs is to have the various
aircraft systems work together in support of personnel on the ground.
The integration scheme is described in terms of a "Tier" system, and is
used by military planners to designate the various individual aircraft
elements in an overall usage plan for integrated operations. The Tiers
do not refer to specific models of aircraft, but rather roles for which
various models and their manufacturers competed. The
U.S. Air Force and the
U.S. Marine Corps each has its own tier system, and the two systems
are themselves not integrated.
U.S. Air Force
tiers
- Tier N/A: Small/Micro UAV. Role filled by BATMAV (Wasp
Block III).[26]
- Tier I: Low altitude, long endurance. Role filled by the
Gnat 750.[27]
- Tier II: Medium altitude, long endurance (MALE). Role currently
filled by the
MQ-1 Predator and
MQ-9 Reaper.
- Tier II+: High altitude, long endurance conventional UAV (or
HALE UAV). Altitude: 60,000 to 65,000 feet (19,800 m), less than 300
knots (560 km/h) airspeed, 3,000-nautical-mile (6,000 km) radius, 24
hour time-on-station capability. Complementary to the Tier III-
aircraft. Role currently filled by the
RQ-4 Global Hawk.
- Tier III-: High altitude, long endurance low-observable UAV.
Same parameters as, and complementary to, the Tier II+ aircraft. The
RQ-3 DarkStar was originally intended to fulfill this role
before it was "terminated".[28][29]
Role now filled by
RQ-170 Sentinel.
U.S. Marine
Corps tiers
- Tier N/A: Micro UAV.
Wasp III fills this role, driven largely by the desire for
commonality with the USAF BATMAV.[30]
- Tier I: Role currently filled by the
Dragon Eye but all ongoing and future procurement for the Dragon
Eye program is going now to the
RQ-11B Raven B.
- Tier II: Role currently filled by the
ScanEagle.
- Tier III: For two decades, the role of medium range tactical UAV
was filled by the Pioneer UAV. In July 2007, the Marine Corps
announced its intention to retire the aging Pioneer fleet and
transition to the
RQ-7 Shadow Tactical Unmanned Aircraft System by
AAI Corporation. The first Marine Shadow systems have already
been delivered, and training for their respective Marine Corps units
is underway.[31][32]
U.S. Army tiers
- Tier I: Small UAV. Role filled by the
RQ-11B Raven.
- Tier II: Short Range Tactical UAV. Role filled by the
RQ-7B Shadow 200.
- Tier III: Medium Range Tactical UAV. Role currently filled by
the
MQ-5A/B Hunter and IGNAT/IGNAT-ER, but transitioning to the
Extended Range Multi-Purpose (ERMP)
MQ-1C Gray Eagle.
Future Combat Systems (FCS) (U.S. Army) classes
- Class I: For small units. Role to be filled by all new UAV with
some similarity to
micro air vehicle.
- Class II: For companies (cancelled).[33]
- Class III: For battalions (cancelled).[33]
- Class IV: For brigades. Role to be filled by the
RQ-8A/B / MQ-8B Fire Scout.
Conversions or variants of existing manned aircraft
-
A-10PCAS, a Fairchild Republic A-10 Thunderbolt II variant (in
development).
Unmanned
aircraft system
An unmanned aircraft system (UAS) includes ground stations and other
elements besides the actual aircraft, the term was first officially used
by the FAA in early 2005 and subsequently adopted by DoD that same year
in their Unmanned Aircraft System Roadmap 2005–2030.[34]
Many people have mistakenly used the term Unmanned Aerial System,
or Unmanned Air Vehicle System, as these designations were in
provisional use at one time or another. The inclusion of the term
aircraft emphasizes that regardless of the location of the pilot and
flightcrew, the operations must comply with the same regulations and
procedures as do those aircraft with the pilot and flightcrew on board.
The official acronym UAS is also used by the
International Civil Aviation Organization (ICAO) and other
government aviation regulatory organizations.
The military role of unmanned aircraft systems is growing at
unprecedented rates. In 2005, tactical- and theater-level unmanned
aircraft alone had flown over 100,000 flight hours in support of
Operation Enduring Freedom and
Operation Iraqi Freedom, in which they are organized under
Task Force Liberty in Afghanistan and
Task Force ODIN in Iraq. Rapid advances in technology are enabling
more and more capability to be placed on smaller airframes which is
spurring a large increase in the number of Small Unmanned Aircraft
Systems (SUAS) being deployed on the battlefield. The use of SUAS in
combat is so new that no formal DoD wide reporting procedures have been
established to track SUAS flight hours. As the capabilities grow for all
types of UAS, nations continue to subsidize their research and
development leading to further advances enabling them to perform a
multitude of missions. UAS no longer only perform intelligence,
surveillance, and reconnaissance missions, although this still remains
their predominant type. Their roles have expanded to areas including
electronic attack, strike missions, suppression and/or destruction
of enemy air defense, network node or communications relay,
combat search and rescue, and derivations of these themes. These UAS
range in cost from a few thousand dollars to tens of millions of
dollars, with aircraft ranging from less than one pound to over 40,000
pounds.[citation
needed]
When the Obama administration announced in December 2009 the
deployment of 30,000 new troops in Afghanistan, there was already an
increase of attacks by pilot-less Predator drones against Taliban and
al-Qaeda militants in Afghanistan and
Pakistan's tribal areas, of which one probably killed a key member
of al-Qaeda. However, neither
Osama bin Laden nor
Ayman al-Zawahiri was the likely target, according to reports.
According to a report of the
New America Foundation, armed drone strikes had dramatically
increased under President Obama – even before his deployment decision.
There were 43 such attacks between January and October 2009. The report
draws on what it deems to be "credible" local and national media
stories about the attacks. That compared with a total of 34 in all of
2008, President Bush's last full year in office. Between 2006 and 2009,
drone-launched missiles allegedly had killed between 750 and 1,000
people in Pakistan, according to the report. Of these, about 20 people
were said to be leaders of al-Qaeda, Taliban, and associated groups.
Overall, 66% to 68% of the people killed were militants, and 31% to 33%
were civilians. U.S. officials disputed the percentage for civilians.[35]
The U.S. Air Force has recently begun referring at least to larger UAS
like Predator, Reaper, and Global Hawk as Remotely Piloted Aircraft
(RPA), to highlight the fact that these systems are always controlled by
a human operator at some location.
However, artificial intelligence is advancing to the point where the
aircraft are easily capable of taking off, landing, and flying
themselves. Then they simply have to be instructed as to their mission.
The military distinguishes between "man in the loop"[piloted] and
"man on the loop" [supervised] systems, with "fully
autonomous"[issued orders] growing organically from the second into a
third category. A.I. systems have been capable of making decisions and
planning sequences of actions for decades; as of 2013, few fully
autonomous systems have been constructed, but this is more a matter of
convenience and technical implementation rather than any fundamental
barrier.[citation
needed]
To distinguish UAVs from missiles, a UAV is defined as a
"powered, aerial vehicle that does not carry a human operator, uses
aerodynamic forces to provide vehicle lift, can fly autonomously or be
piloted remotely, can be expendable or recoverable, and can carry a
lethal or nonlethal payload".[36]
Therefore,
cruise missiles are not considered UAVs, because, like many other
guided missiles, the vehicle itself is a weapon that is not reused, even
though it is also unmanned and in some cases remotely guided.
Uses
InView UAV for use in scientific, commercial and state
applications.
The
RQ-7 Shadow is capable of delivering a 20 lb (9.1 kg)
"Quick-MEDS" canister to front-line troops.
Fulmar UAV, developed by Aerovision for civilian
applications.
A UAV detecting an underground facility
UAVs perform a wide variety of functions. The majority of these
functions are some form of
remote sensing; this is central to the
reconnaissance role most UAVs fulfill. Less common UAV functions
include interaction and
transport.
Remote sensing
UAV remote sensing functions include
electromagnetic spectrum sensors, gamma ray sensors, biological
sensors, and chemical sensors. A UAV's
electromagnetic sensors typically include
visual spectrum,
infrared, or
near infrared cameras as well as radar systems. Other
electromagnetic wave detectors such as microwave and ultraviolet
spectrum sensors may also be used, but are uncommon. Biological sensors
are sensors capable of detecting the airborne presence of various
microorganisms and other biological factors.
Chemical sensors use
laser spectroscopy to analyze the concentrations of each
element in the air.
Commercial aerial surveillance
Aerial surveillance of large areas is made possible with low cost UAV
systems. Surveillance applications include: livestock monitoring,
wildfire mapping, pipeline security, home security, road patrol and
anti-piracy. The trend for use of UAV technology in commercial aerial
surveillance is expanding rapidly with increased development of
automated object detection approaches.[37]
Domestic policing
Drones are increasingly used for domestic police work in Canada and
the United States[38][39]
(a dozen US police forces had applied for drone permits by March 2013[21]).
Texas politician and commentator
Jim Hightower has warned about potential privacy abuses from aerial
surveillance.[40][41]
In February 2013, Seattle Mayor Michael McGinn responded to protests by
scrapping the Seattle Police Department’s plan to deploy drones.[42]
Oil, gas and mineral exploration and production
UAVs can be used to perform geophysical surveys, in particular
geomagnetic surveys[43]
where the processed measurements of the differential Earth's magnetic
field strength are used to calculate the nature of the underlying
magnetic rock structure. A knowledge of the underlying rock structure
helps trained geophysicists to predict the location of mineral deposits.
The production side of oil and gas exploration and production entails
the monitoring of the integrity of oil and gas pipelines and related
installations. For above-ground pipelines, this monitoring activity
could be performed using digital cameras mounted on one, or more, UAVs.[44]
The
InView Unmanned Aircraft System is an example of a UAV developed for
use in oil, gas and mineral exploration and production activities.
Transport
UAVs can transport goods using various means based on the
configuration of the UAV itself. Most payloads are stored in an internal
payload bay somewhere in the airframe. For many
helicopter configurations, external payloads can be tethered to the
bottom of the airframe. With
fixed-wing UAVs, payloads can also be attached to the airframe, but
aerodynamics of the aircraft with the payload must be assessed. For
such situations, payloads are often enclosed in aerodynamic pods for
transport.
Scientific
research
Unmanned aircraft are uniquely of penetrating areas which may be too
dangerous for piloted craft. The
National Oceanic and Atmospheric Administration (NOAA) began
utilizing the
Aerosonde unmanned aircraft system in 2006 as a
hurricane hunter. AAI Corporation subsidiary
Aerosonde Pty Ltd. of
Victoria, Australia, designs and manufactures the 35-pound system,
which can fly into a hurricane and communicate near-real-time data
directly to the
National Hurricane Center in
Florida.
Beyond the standard barometric pressure and temperature data typically
culled from manned hurricane hunters, the Aerosonde system provides
measurements far closer to the water’s surface than previously captured.
Further applications for unmanned aircraft can be explored once
solutions have been developed for their accommodation within national
airspace, an issue currently under discussion by the
Federal Aviation Administration. UAVSI, the UK manufacturer also
produce a variant of their Vigilant light UAS (20 kg) designed
specifically for scientific research in severe climates such as the
Antarctic.[citation
needed]
There have also been experiments with using UAVs as a construction
and artwork tool.[45]
at locations such as the ETH Zurich.[46]
Armed attacks
MQ-1 Predator UAVs armed with
Hellfire missiles are increasingly used by the U.S. as platforms for
hitting ground targets. Armed Predators were first used in late 2001
from bases in
Pakistan and
Uzbekistan, mostly aimed at assasinating high profile individuals
(terrorist leaders etc.) inside Afghanistan. Since then, there have been
many reported cases of such attacks taking place in Afghanistan,
Pakistan, Yemen and Somalia.[47]
The advantage of using an unmanned vehicle, rather than a manned
aircraft, in such cases is to avoid a diplomatic embarrassment should
the aircraft be shot down and the pilots captured, since the bombings
take place in countries deemed friendly and without the official
permission of those countries.[48][49][50][51]
A Predator based in a neighboring Arab country was used to kill
suspected
al-Qaeda terrorists in
Yemen on
November 3, 2002. This marked the first use of an armed Predator as an
attack aircraft outside of a theater of war such as Afghanistan.[52]
Questions have been raised about the accuracy of the targeting of
UAVs. In March 2009,
The Guardian reported allegations that
Israeli
UAVs armed with missiles killed 48
Palestinian civilians in the
Gaza Strip, including two small children in a field and a group of
women and girls in an otherwise empty street.[53]
In June,
Human Rights Watch investigated six UAV attacks which was reported
to have resulted in civilian casualties, and alleged that Israeli forces
either failed to take all feasible precautions to verify that the
targets were combatants, or failed to distinguish between combatants and
civilians.[54][55][56]
In July 2009,
Brookings Institution released a report stating that in the United
States-led
drone attacks in Pakistan, ten civilians died for every militant
killed.[57][58]
S. Azmat Hassan, a former ambassador of Pakistan, said in July 2009
that American UAV attacks were turning Pakistani opinion against the
United States, and that 35 or 40 such attacks only killed 8 or 9 top
al-Qaeda operatives.[59]
CIA officials became concerned in 2008 that targets in Pakistan were
being tipped off to pending U.S. drone strikes by Pakistani
intelligence, when the U.S. requested Pakistani permission prior to
launching drone attacks.[60]
The Bush administration therefore decided in August 2008 to abandon the
practice of obtaining Pakistani government permission before launching
missiles from drones, and in the next six months the CIA carried out at
least 38
Predator strikes in northwest Pakistan, compared with 10 in 2006 and
2007 combined.[60]
The U.S. has claimed that the Predator strikes killed at least nine
senior al-Qaeda leaders, and dozens of lower-ranking operatives,
depleting its operational tier in what U.S. officials described as the
most serious disruption of al-Qaeda since 2001.[60]
It was claimed that the Predator strikes took such a toll on al-Qaeda
that militants began turning violently on one another out of confusion
and distrust.[60]
A senior U.S. counterterrorism official said: "They have started hunting
down people who they think are responsible" for security breaches.
"People are showing up dead, or disappearing."[60]
By October 2009, the CIA claimed to have killed more than half of the
20 most wanted al-Qaeda terrorist suspects in targeted killings using
drones.[61]
By May 2010, counter-terrorism officials said that drone strikes in the
Pakistani tribal areas had killed more than 500 militants since 2008,
and no more than 30 (5%) nearby civilians—mainly family members who
lived and traveled with the targets.[62][63]
Drones linger overhead after a strike, in some cases for hours, to
enable the CIA to count the bodies and attempt to determine which, if
any, are civilians.[63]
A Pakistani intelligence officer gave a higher estimate of civilian
casualties, saying 20% of total deaths were civilians or non-combatants.[63]
One issue with civilian casualties is the relative lack of
discrimination of the 100 lb (45 kg)
Hellfire, which was designed to eliminate tanks and attack bunkers.[64]
Smaller weapons such as the
Raytheon
Griffin and
Small Tactical Munition are being developed as a less indiscriminate
alternative,[65]
and development is underway on the still smaller,
US Navy-developed
Spike missile.[66]
The payload-limited
Predator A can also be armed with six Griffin missiles, as opposed
to only two of the much-heavier Hellfires. Although it may never be
known how many civilians have died as a result of U.S. drone strikes in
Pakistan, there are estimates of hundreds or thousands of innocent
bystanders who have perished in such attacks.[67]
Pakistani authorities released statistics indicating that between
January 1, 2009, and December 31, 2009, U.S. Predator and Reaper drone
strikes have killed over 700 innocent civilians. The website
PakistanBodyCount.Org (by
Zeeshan-ul-hassan Usmani, a
Fulbright Scholar at the
Florida Institute of Technology) shows 1065 civilian deaths between
June 2004 to January 30, 2010 and tallying 103 drone strikes carried out
by the United States.[68]
With the increase of drone strikes, according to the most recent story
in The International News, January 2010 proved to be a deadly month in
Pakistan with 123 innocent civilians killed. In addition, it has been
reported that 160 children have died from drone attacks in Pakistan.[69]
Further, over 1000 civilians have been injured.[70]
This evidence runs counter to the Obama administration's claim that
"nearly for the past year there hasn't been a single collateral death"
due to drone attacks.[71]
According to the February 24, 2010 policy analysis "The Year of the
Drone" released by the
New America Foundation, the civilian fatality rate since 2004 is
approximately 32%. The study reports that 114 reported drone strikes in
northwest Pakistan from 2004 to present killed between 830 to 1210
individuals, around 550 to 850 of whom were militants.[72]
After more than 30 drone strikes hit civilian homes in Afghanistan in
2012, President
Hamid Karzai demanded that such attacks end, but the practice
continues in areas of Pakistan, Yemen, and Somalia that are not in war
zones. Former U.S. President
Jimmy Carter has criticized such use of drones, "We don't know how
many hundreds of innocent civilians have been killed in these
attacks...This would have been unthinkable in previous times."[73]
In 2012, the
USAF trained more drone pilots than ordinary
jet fighter pilots for the first time.[74]
Singer states that, “an Air National Guard pilot in an F-16 saw
flashing lights underneath him while flying over Afghanistan at
twenty-three thousand feet and thought he was under fire from
insurgents. Without getting required permission from his commanders, he
dropped a 500-pound bomb on the lights. They instead turned out to be
troops from Canada on a night training mission.” (2009a, p. 43). This is
important because if that plane had been a UAV, it would have had more
time to make its decision. Since the UAV has long- range cameras, it
would have been able to get a visual on the potential target and
discover that they were friendly (Singer, 2009a). In addition, it also
would not feel fear or adrenaline that could potentially affect the
decision of a person who fears for their life (Singer, 2009a).
In February 2013, U.S. senator Lindsey Graham stated that 4,756
people have been killed by U.S. UAVs.[75]
Search and rescue
UAVs will likely play an increased role in search and rescue in the
United States. This was demonstrated by the use of UAVs during the 2008
hurricanes that struck Louisiana and Texas. Micro UAVs, such as the
Aeryon Scout have been used to perform Search and Rescue activities
on a smaller scale, such as the search for missing persons.[76]
For example, Predators, operating between 18,000–29,000 feet above
sea level, performed search and rescue and damage assessment. Payloads
carried were an optical sensor (which is a daytime and
infra red camera) and a
synthetic aperture radar. The Predator's SAR is a sophisticated
all-weather sensor capable of providing photographic-like images through
clouds, rain or fog, and in daytime or nighttime conditions; all in
real-time. A concept of coherent change detection in SAR images allows
for exceptional search and rescue ability: photos taken before and after
the storm hits are compared and a computer highlights areas of damage.[77][78]
Conservation
In June 2012,
WWF announced it will begin using UAVs in
Nepal, to
aid
conservation efforts, following a successful trial of two aircraft
in
Chitwan National Park, with ambitions to expand to other countries,
such as Tanzania and Malaysia. The global wildlife organization plans to
train ten personnel to use the drones, with operational use beginning in
the fall.[79][80]
In August 2012 UAV's were used by members of
Sea Shepherd Conservation Society in Namibia to document the annual
seal cull.[81]
In March 2013 the Times published a controversial story that UAV
conservation
nonprofit
ShadowView, founded by former members of
Sea Shepherd Conservation Society had been working for several
months with anti hunting charity The
League Against Cruel Sports to expose illegal
fox hunting in the
UK,[82]
pro hunt supporters have argued that using UAVs to film hunting is an
invasion of privacy.[83]
Forest fire
detection
Another application of civil UAVs is prevention and early detection
of forest fires. The chief exponent of this type of is the
FT-ALTEA, developed by Flightech Systems. The possibility of
constant flight, both day and night, makes the methods used until now
(helicopters, watchtowers ...) becoming obsolete. Its payload is
provided by numerous cameras (HD, thermal, hyperspectral ...) and
multiple sensors that provide real-time emergency services not only
information about the location of the outbreak of fire, to many data
(wind speed temperature, humidity ...) that are helpful for fire crews
to conduct fire suppression.
Future potential
In the future, drones will be able to perform a variety unique tasks
apart from what they are capable of today. Currently, engineers are
working to produce UAVs that are capable of air to air combat, aerial
refueling, combat search and rescue with facial recognition and resupply
to agents on the ground.
[84]
Design and development considerations
UAV design and production is a global activity, with manufacturers
all across the world. The United States and
Israel
were initial pioneers in this technology, and U.S. manufacturers had a
market share of over 60% in 2006, with U.S. market share due to increase
by 5–10% through 2016.[85]
Northrop Grumman and
General Atomics are the dominant manufacturers in this industry, on
the strength of the Global Hawk and Predator/Mariner systems.[85]
According to the
Stockholm International Peace Research Institute, Israeli companies
were behind 41% of all UAVs exported in 2001-2011.[86]
The European market share represented just 4% of global revenue in 2006.[85]
Development costs for American military UAVs, as with most military
programs, have tended to overrun their initial estimates. This is mostly
due to changes in requirements during development and a failure to
leverage UAV development programs over multiple armed services. This has
caused
United States Navy UAV programs to increase in cost from 0% to 5%
while
United States Air Force UAV programs have increased from 60% to
284%.[87]
Degree of autonomy
UAV monitoring and control at
CBP
Early UAVs used during the Vietnam War after launch captured video
that was recorded to film or tape on the aircraft. These aircraft often
were launched and flew either in a straight line or in preset circles
collecting video until they ran out of fuel and landed. After landing,
the film was recovered for analysis. Because of the simple nature of
these aircraft, they were often called drones. As new radio control
systems became available, UAVs were often remote controlled and the term
"remotely piloted vehicle" came into vogue. Today's UAVs often combine
remote control and computerized automation. More sophisticated versions
may have built-in control and/or guidance systems to perform low-level
human pilot duties such as speed and flight-path stabilization, and
simple scripted navigation functions such as waypoint following. In news
and other discussions, often the term "drone" is still mistakenly used
to refer to these more sophisticated aircraft.[citation
needed]
From this perspective, most early UAVs are not autonomous at all. In
fact, the field of air-vehicle autonomy is a recently emerging field,
whose economics is largely driven by the military to develop
battle-ready technology. Compared to the manufacturing of UAV flight
hardware, the market for autonomy technology is fairly immature and
undeveloped. Because of this, autonomy has been and may continue to be
the bottleneck for future UAV developments, and the overall value and
rate of expansion of the future UAV market could be largely driven by
advances to be made in the field of autonomy.[citation
needed]
Autonomy technology that is important to UAV development falls under
the following categories:
-
Sensor fusion: Combining information from different sensors for
use on board the vehicle
- Communications: Handling communication and coordination between
multiple agents in the presence of incomplete and imperfect
information
- Path planning: Determining an optimal path for vehicle to go
while meeting certain objectives and mission constraints, such as
obstacles or fuel requirements
- Trajectory Generation (sometimes called
Motion planning): Determining an optimal control maneuver to
take to follow a given path or to go from one location to another
- Trajectory Regulation: The specific control strategies required
to constrain a vehicle within some tolerance to a trajectory
- Task Allocation and Scheduling: Determining the optimal
distribution of tasks amongst a group of agents, with time and
equipment constraints
- Cooperative Tactics: Formulating an optimal sequence and spatial
distribution of activities between agents in order to maximize
chance of success in any given mission scenario
Autonomy is commonly defined as the ability to make decisions without
human intervention. To that end, the goal of autonomy is to teach
machines to be "smart" and act more like humans. The keen observer may
associate this with the development in the field of
artificial intelligence made popular in the 1980s and 1990s such as
expert systems,
neural networks,
machine learning,
natural language processing, and vision. However, the mode of
technological development in the field of autonomy has mostly followed a
bottom-up approach, such as
hierarchical control systems,[88]
and recent advances have been largely driven by the practitioners in the
field of
control science, not computer science.[citation
needed] Similarly, autonomy has been and probably
will continue to be considered an extension of the controls field.
To some extent, the ultimate goal in the development of autonomy
technology is to replace the human pilot. It remains to be seen whether
future developments of autonomy technology, the perception of the
technology, and most importantly, the political climate surrounding the
use of such technology, will limit the development and utility of
autonomy for UAV applications. Also as a result of this,
synthetic vision for piloting has not caught on in the UAV arena as
it did with manned aircraft. NASA utilized synthetic vision for test
pilots on the
HiMAT program in the early 1980s (see photo), but the advent of more
autonomous UAV autopilots, greatly reduced the need for this technology.[citation
needed]
Interoperable UAV technologies became essential as systems proved
their mettle in military operations, taking on tasks too challenging or
dangerous for troops. NATO addressed the need for commonality through
STANAG (Standardization Agreement) 4586. According to a NATO press
release, the agreement began the ratification process in 1992. Its goal
was to allow allied nations to easily share information obtained from
unmanned aircraft through common ground control station technology.
STANAG 4586 – aircraft that adhere to this protocol are equipped to
translate information into standardized message formats; likewise,
information received from other compliant aircraft can be transferred
into vehicle-specific messaging formats for seamless interoperability.
Amendments have since been made to the original agreement, based on
expert feedback from the field and an industry panel known as the
Custodian Support Team. Edition Two of STANAG 4586 is currently under
review. There are many systems available today that are developed in
accordance with STANAG 4586, including products by industry leaders such
as AAI Corporation,
CDL Systems, and Raytheon, all three of which are members of the
Custodian Support Team for this protocol.
Endurance
Because UAVs are not burdened with the physiological limitations of
human pilots, they can be designed for maximized on-station times. The
maximum flight duration of unmanned, aerial vehicles varies widely.
Internal-combustion-engine aircraft endurance depends strongly on the
percentage of fuel burned as a fraction of total weight (the
Breguet endurance equation), and so is largely independent of
aircraft size.[citation
needed]
Solar-electric UAVs hold potential for unlimited flight, a concept
originally championed by the
AstroFlight Sunrise in 1974[89][90][91][92]
and the much later Aerovironment
Helios Prototype, which was destroyed in a 2003 crash.
Electric UAVs kept aloft indefinitely by laser power-beaming[93]
technology represent another proposed solution to the endurance
challenge. This approach is advocated by
Jordin Kare and Thomas Nugent.
One of the major problems with UAVs is the lack of inflight refueling
capability. In 2012 the US Air Force was promoting research that should
end in an inflight UAV refueling capability.[94]
A UAV-UAV simulated refuelling flight using two
Global Hawks was achieved in 2012.[95]
One of the uses for a high endurance UAV would be to "stare" at the
battlefield for a long period of time to produce a record of events that
could then be played backwards to track where improvised explosive
devices (IEDs)
came from. Air Force Chief of Staff
John P. Jumper started a program to create these persistent UAVs,
but this was stopped once he was replaced.[96]
In 2007, the Defense Advanced Research Projects Agency (DARPA)
revealed a program to develop technology for a UAV with an endurance
capability of over 5 years. The program, entitled VULTURE (an acronym
for Very-high altitude, Ultra-endurance, Loitering Theater Unmanned
Reconnaissance Element[97]),
entered Phase II on September 14, 2010, with a contract signed with
Boeing for development of the
SolarEagle flight demonstrator.[98]
Hardening of the control stations
Given the increasing military use of cyber attacks against
Microsoft software, the
United States Armed Forces have moved towards
Linux
ground control software.[116][117]
Buddy attacks
Norton Schwartz, former top officer of the USAF, sees future UAVs
operating under the control of manned aircraft to make "buddy attacks".[118]
Existing UAV
systems
UAVs have been developed and deployed by many countries around the
world. For a list of models by country, see:
List of unmanned aerial vehicles. The use of unmanned aerial
systems, however, is not limited to state powers: non-state actors can
also build, buy and operate these combat vehicles.[119]
The export of UAVs or technology capable of carrying a 500 kg payload
at least 300 km is restricted in many countries by the
Missile Technology Control Regime. At the center of the American
military's continued UAV research is the MQ-X, which builds upon the
capabilities of the Reaper and Predator drones. As currently conceived,
the MQ-X would be a stealthier and faster fighter-plane sized UAV
capable of any number of missions: high-performance surveillance; attack
options, including retractable cannons and bomb or missile payloads; and
cargo capacity.[120]
China has exhibited some UAV designs, but its ability to operate them
is limited by the lack of high endurance domestic engines, satellite
infrastructure and operational experience.[121]
Historical events involving UAVs
- During the
Persian Gulf War,
Iraqi Army forces surrendered to the UAVs of the
USS Wisconsin.[122][123]
- In October 2002, a few days before the
U.S. Senate vote on the
Authorization for Use of Military Force Against Iraq Resolution,
about 75 senators were told in
closed session that
Saddam Hussein had the means of delivering
biological and
chemical weapons of mass destruction by UAV drones that could be
launched from ships off the Atlantic coast to attack
U.S. eastern seaboard cities.
Colin Powell suggested in his presentation to the United Nations
that they had been transported out of Iraq and could be launched
against the U.S.[124]
It was later revealed that Iraq's UAV fleet consisted of only a few
outdated Czech training drones.[125]
At the time, there was a vigorous dispute within the intelligence
community as to whether CIA's conclusions about Iraqi UAVs were
accurate. The
U.S. Air Force, the agency most familiar with UAVs, denied
outright that Iraq possessed any offensive UAV capability.[126]
- The first US targeted UAV killing outside the conventional
battlefield took place on November 3, 2002, in the Marib district of
Yemen. Six alleged terrorists were killed in their SUV by a
UAV-fired missile.[127]
The command centre was in Tampa, Florida, USA.
- In December 2002, the first ever
dogfight involving a UAV occurred when an Iraqi
MiG-25 and a U.S.
RQ-1 Predator fired missiles at each other. The MiG's missile
destroyed the Predator.[128]
- The U.S. deployed UAVs in
Yemen
to search for and kill
Anwar al-Awlaki,[129]
an American and Yemen imam, firing at and failing to kill him at
least once,[130]
before he was killed in a drone attack in Yemen on 30 September
2011. The targeted killing of an American citizen was unprecedented.
However, nearly nine years earlier in 2002, US citizen Kemal Darwish
was one of six men killed by the first UAV strike outside a war
zone, in Yemen.[131]
- In December 2011,
Iran captured a United States' RQ-170 unmanned aerial vehicle
which flew over Iran, and rejected President
Barack Obama's request to return it to the US.[132][133]
Iranian officials claim to have recovered data from the U.S.
surveillance drone. However, it is not clear how Iran brought it
down.[134]
There have also been reports that Iran spoofed the GPS signal used
by the drone[21]
and tricked it into landing on an Iranian runway.
Domestic
aerial surveillance
Although UAVs are today most commonly associated with military
actions, UAVs are increasingly used by civilian government agencies,
businesses, and private individuals. In the United States, for example,
government agencies use drones to patrol the nation's borders, scout
property, and hunt down fugitives.[135]
One of the first authorized for domestic usage was the ShadowHawk UAV in
service in Montgomery County, Texas and is being used by their SWAT and
emergency management offices.[136]
Drones
over the United States
Surveillance and policing
UAVs can be powerful surveillance tools, capable of carrying
face recognition systems, license plate scanners, thermal imaging
cameras,
open
WiFi sniffers, and other sensors.[137]
The
Electronic Frontier Foundation filed a
Freedom of Information Act lawsuit on January 10, 2012 against the
Federal Aviation Administration.[138]
As a result of the lawsuit, the FAA released for the first time a list
of the names of all public and private entities that have applied for
authorizations to fly drones domestically.[139]
Some of these government licenses belong to the
U.S. Customs and Border Protection, a component of the
Department of Homeland Security. Drones have been used by CBP to
patrol of United States borders since 2005, and the Agency currently
owns 10 drones.[140]
A May 2012 report issued by the DHS Inspector General found that CBP
"needs to improve planning of its unmanned aircraft systems program to
address its level of operation, program funding, and resource
requirements, along with stakeholder needs."
[141] Also, despite the Bureau’s limited mission to safeguard
the borders, the Bureau often flies missions for the
FBI, the
Department of Defense,
NOAA, local law enforcement, and other agencies. In December 2011,
the CBP made headlines when reporters discovered that the agency's
drones were being used to assist local law enforcement in North Dakota
without receiving prior approval from the FAA or any other agency.[142]
Individuals in the United States have few legal privacy protections
from aerial surveillance conducted through UAVs. In
Florida v. Riley,[38]
the United States Supreme Court held that individuals on their own
private property do not have right to privacy from police observation
from public airspace. The weakness of legal protection from UAV
surveillance have led to calls from civil liberties advocacy groups for
the U.S. government to issue laws and regulations that establish both
privacy protections and greater transparency regarding the use of UAVs
to gather information about individuals.[143]
As an example, the
ACLU has warned of a possible "nightmare scenario" in the future
where the police might be able with computer technology to combine
mobile phone tracking with drone video signals and build up a
database of the people's routine daily movements.[21]
On February 24, 2012, the
Electronic Privacy Information Center, joined by over 100
organizations, experts, and members of the public, submitted a petition
to the FAA requesting a public rule-making on the privacy impact of
drone use in US airspace.[144]
In June 2012, Senator
Rand
Paul and Representative Austin Scott both introduced legislation
that would require law enforcement to obtain a warrant before using a
drone to conduct criminal surveillance.[145]
EPIC has stated that transparency and accountability must be built into
the FAA's system of drone regulation in order to provide basic
protections to the public.[146]
While Congress rapidly moves ahead to authorize further use of
domestic drones, many remain skeptical regarding privacy concerns.[39]
Some privacy scholars argue that the domestic use of drones for
surveillance will ultimately benefit privacy by encouraging society to
demand greater privacy rights.
Associated today with the theatre of war, the widespread
domestic use of drones for surveillance seems inevitable.
Existing
privacy law will not stand in its way. It may be tempting to
conclude on this basis that drones will further erode our
individual and collective privacy. Yet the opposite may happen.
Drones may help restore our mental model of a privacy violation.
They could be just the visceral jolt society needs to drag
privacy law into the twenty-first century.
Non-police uses
Law enforcement and other government agencies are not the only
entities that use UAVs. Private citizens and media organizations use
UAVs as well.
Occupy Wall Street
journalist
Tim
Pool uses what he calls an Occucopter, for live feed coverage
of
Occupy movement events.[148]
The "occucopter" is an inexpensive
Parrot AR.Drone
radio controlled
quadrotor, with cameras attached and controllable by
Android devices or
iOS devices such as the
iPhone.
In February 2012 an animal rights group used a
MikroKopter small helicopter drone to film hunters shooting pigeons
in South Carolina. The hunters shot the drone down.[149]
UAVs also have been shown to have many other uses in civilian uses such
as agriculture, Hollywood, and in the construction industry.[150]
Drones
over the United Kingdom
In 2012 the
Ulster Society for the Prevention of Cruelty to Animals used a
quadrocopter drone to deter
badger baiters in Northern Ireland.[151]
In March 2013, the British
League Against Cruel Sports announced they had carried out trial
flights with drones and planned to use a fixed-wing Openranger and an
Octocopter to gather evidence to make private prosecutions against
illegal
hunting of foxes and other animals.[152]
The drones were supplied by
ShadowView Ltd, Berkshire. A spokesman for
Privacy International said that "Licencing and permission for drones
is only on the basis of health and safety, without considering whether
privacy rights are violated."[152]
The
Civil Aviation Authority (United Kingdom) rules are that drone
aircraft less than 20 kilograms in weight must be in direct visual
contact with the pilot, cannot fly within 150 meters of a congested area
or within 50 meters of a person or vehicle and cannot be used for
commercial activity.[152][153]
Staffordshire police were reported to be using drones as
alternatives to standard police support units in 2012.[153]
Drones over
South Africa
In December 2012, the
Kruger National Park started using a
Seeker II drone aganst rhino poachers. The drone was loaned to the
South African National Parks authority by its manufacturer
Denel Dynamics, South Africa.[152][154]
Drones over Japan
T-Hawk[155]
and
Global Hawk[156]
drones were used to gather information about the damaged
Fukushima Number 1 nuclear plant and disaster-stricken areas of the
Tōhoku region after the March 2011
tsunami.
Anti-whaling activists used an Osprey drone (made by Kansas-based
Hangar 18) in in 2012 to monitor Japanese
whaling ships in the Antarctic.[157]
Drones over
Venezuela
In June 2012, Venezuelan President
Hugo Chavez claimed that Venezuela had begun producing its own
drone. General Julio Morales added that the drone had a range of 100
kilometres (about 60 miles), a maximum altitude of 3,000 metres (about
10,000 feet), could fly for 90 minutes, measured three by four metres
and was a part of a system to survey and monitor pipelines, dams and
other rural infrastructure. General Morales was the president of the
state-run
Cavim arms manufacturer, which developed the aircraft.[158][159]
Drones over
Belgium
In 2013 The Flemish
Research Institute for Nature and Forest and the
Flanders Marine Institute planned to use drones with a camera and a
detection system that automatically recognises different types of
vegetation, trees and individual plants in order to make regular
assessments of the biodiversity of the Flemish terrain. Their previous
system of using 25 civil servants to map the country was unsatisfactory
and time-consuming.[160]
UAVs in
popular culture
Public opinion
In February 2013,
Fairleigh Dickinson University's PublicMind poll found that 48% of
American voters think it is "illegal for the U.S. government to target
its own citizens living abroad with drone attacks. Just 24% say that
it's legal."[163]
"The public clearly makes an assumption very different from that of the
Obama administration or Mr. Brennan: the public thinks targeting
American citizens abroad is out of bounds," Peter Woolley, founding
director of PublicMind and professor of political science at FDU, said
to CNN.[164]
In the same poll, however, by a wide six–to-one margin (75%-13%),
voters approved of the U.S. military using drones to carry out attacks
abroad “on people and other targets deemed a threat to the U.S.”
Republicans, men and whites approve more strongly than Democrats, women,
and non-whites, but approval is robust in all demographic categories.
Voters also approve by a strong three-to-one margin (65%-21%) the CIA
using drones to carry out attacks abroad, but this approval is
significantly less than approval for the U.S. military carrying out such
attacks.[165]
Morality
The “unmanned” aspect of UAVs is primarily what sets them apart from
manned aircraft. This aspect also raises certain moral concerns. Some
believe that the asymmetry of fighting humans with machines that are
controlled from a safe distance lacks integrity and honor that was once
valued during warfare. Others feel that if such technology is available,
then there is a moral duty to employ it in order to save as many lives
as possible.[166]
Another potential moral issue with UAVs is because they do not allow for
pilot casualties, some fear that they will be used more frivolously, and
that human lives affected by drone strikes will not be regarded with as
much consideration as with manned aerial attacks.
Legality
A confidential Justice Department memo concludes that the U.S.
government can order the killing of American citizens if they are
believed to be “senior operational leaders” of
Al-Qaeda or “an associated force” -- even if there is no
intelligence indicating they are engaged in an active plot to attack the
U.S.[167]
The secrecy surrounding such strikes is fast emerging as a central issue
in this week’s hearing of
White House counterterrorism adviser
John O. Brennan, a key architect of the drone campaign, to be CIA
director. Brennan was the first administration official to publicly
acknowledge drone strikes in a speech last year, calling them
“consistent with the inherent right of self-defense.” In a separate talk
at the Northwestern University Law School in March, Attorney General
Eric Holder specifically endorsed the constitutionality of targeted
killings of Americans, saying they could be justified if government
officials determine the target poses “an imminent threat of violent
attack.”[168]
But the confidential Justice Department “white
paper” introduces a more expansive definition of self-defense or
imminent attack than described by Brennan or Holder in their public
speeches. It refers, for example, to what it calls a “broader concept of
imminence” than actual intelligence about any ongoing plot against the
U.S. homeland. "The condition that an operational leader present an
‘imminent’ threat of violent attack against the United States does not
require the United States to have clear evidence that a specific attack
on U.S. persons and interests will take place in the immediate future,”
the memo states.[169]
Instead, it says, an “informed, high-level” official of the U.S.
government may determine that the targeted American has been “recently”
involved in “activities” posing a threat of a violent attack and “there
is no evidence suggesting that he has renounced or abandoned such
activities.” The memo does not define “recently” or “activities.” As in
Holder’s speech, the confidential memo lays out a three-part test that
would make targeted killings of American lawful: In addition to the
suspect being an imminent threat, capture of the target must be
“infeasible, and the strike must be conducted according to “laws
of war principles.” But the memo elaborates on some of these factors
in ways that go beyond what the attorney general said publicly. For
example, it states that U.S. officials may consider whether an attempted
capture of a suspect would pose an “undue risk” to U.S. personnel
involved in such an operation. If so, U.S. officials could determine
that the capture operation of the targeted American would not be
feasible, making it lawful for the U.S. government to order a killing
instead, the memo concludes. The undated memo is entitled “Lawfulness of
a Lethal Operation Directed Against a U.S. Citizen who is a Senior
Operational Leader of
Al Qaeda or An Associated Force.” It was provided to members of the
Senate Intelligence and Judiciary committees in June by administration
officials on the condition that it be kept confidential and not
discussed publicly.[170]
Although not an official legal memo, the white paper was represented by
administration officials as a policy document that closely mirrors the
arguments of classified memos on targeted killings by the Justice
Department’s
Office of Legal Counsel, which provides authoritative legal advice
to the president and all executive branch agencies. The administration
has refused to turn over to Congress or release those memos publicly --
or even publicly confirm their existence. A source with access to the
white paper, which is not classified, provided a copy to
NBC
News.
[171] The white paper also includes a more extensive
discussion of why targeted strikes against Americans does not violate
constitutional protections afforded American citizens as well as a U.S.
law that criminalizes the killing of U.S. nationals overseas. It also
discusses why such targeted killings would not be a war crime or violate
a U.S. executive order banning assassinations. “A lawful killing in
self-defense is not an assassination,” the white paper reads. “In the
Department’s view, a lethal operation conducted against a U.S. citizen
whose conduct poses an imminent threat of violent attack against the
United States would be a legitimate act of national self-defense that
would not violate the assassination ban. Similarly, the use of lethal
force, consistent with the laws of war, against an individual who is a
legitimate military target would be lawful and would not violate the
assassination ban.”
[172]
See also
- Historic
- Facilities, units and programs
- Intelligence
References
-
^
[1], "Air Force officials announce remotely piloted aircraft
pilot training pipeline", www.af.mil, June 9, 2010.]
-
^
Pir Zubair Shah, "Pakistan Says U.S. Drone Kills 13", New
York Times, June 18, 2009.
-
^
a
b
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VTOL UAVs[dead
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"Aerial Target" and "Aerial Torpedo" in the USA
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personnel with UAV experience
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[7], sUAS News and commentary relevant to the global UAS
community.
-
[8]
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