An Israel Aerospace Industries unmanned aerial vehicle (UAV) on display at the Singapore Airshow on February 15, 2012. They are deadly, hard to detect and fast becoming the sexiest thing in the air defense industry. Global demand for drones is heating up as militaries look to conduct reconnaissance and deadly strikes without putting lives in danger.
- [Roslan Rahman/AFP/Getty Images]

An Unmanned Aerial Vehicle of French Fly-n-Sense (FNS) company, flying over Mont-de-Marsan, southwestern France in July 12, 2012 as French firefighters test it in the Landes forest region as an innovative forest surveillance system which will enable a real-time monitoring of fire outbreaks and the development of flames in French forests.
- [Pierre Andrieu/AFP/Getty Images]

A captured US RQ-170 drone is on display next to the Azadi (Freedom) tower during the 33rd anniversary of the Islamic revolution in Tehran on February 11, 2012. Iranian President Mahmoud Ahmadinejad said that Iran has broken the 'idol' of the Holocaust underpinning the creation of the Israeli state and US hegemony.
- [Atta Kenare/AFP/Getty Images]

A US Predator unmanned drone armed with a missile stands on the tarmac of Kandahar military airport in 2010. Drones have been a key element of the fight against al-Qaeda in Afghanistan, Pakistan and elsewhere.
- [Massoud Hossaini/AFP/Getty Images]

An Indian Navy 'Heron', an Israeli-made unmanned aerial vehicle (UAV,) flies over the Porbandar airfield, some 400 kms from Ahmedabad, on January 17, 2011. The Indian Navy's UAV Squadron INAS 343, namely Heron and Searcher MK II, were commissioned by the governor of India's Gujarat state Shrimati Kamla on January 17.
- [Sam Panthaky/AFP/Getty Images]

Liutenant David McCurdy of the Baker Comapny 2-12 infantry of the US Army prepares to launch a Puma Dorin airplane at the Forward Operating Base Joyce in the Kunar province on August 20, 2012. NATO has some 130,000 troops in Afghanistan who are due to pull out in 2014 and are spending increasing amounts of time working alongside and training Afghan forces who will take over when they leave.
- [Jose Cabezas/AFP/Getty Images]

An Israeli Hermes 450 drone flies over the Palestinian Gaza Strip in southern Israel on April 9, 2011. A truce declared by Palestinian armed groups in the enclave unravelled even before it could take hold as militants fired dozens of projectiles into southern Israel and the military retaliated.
- [Jack Guez/AFP/Getty Images]

An unmannned drone is displayed during an inspection parade of the Ground Self-Defense Force (GSDF) at the Asaka base in suburban Tokyo on October 24, 2010. Some 3,800 personnel, 240 armored vehicles and 60 aircraft participated in the parade.
- [Kazuhiro Nogi/AFP/Getty Images]

An UAV (unmanned aerial vehicle) helicopter, on the deck of French DCNS offshore patrol vessel (OPV) Gowind corvette 'L'Adroit' during its 'christening' ceremony at the harbor of the French town of Lorient, on June 17, 2011.
- [Fred Tanneau/AFP/Getty Images]

Chinese visitors examining an unmanned helicopter drone from a Chinese manufacturer at the China Aviation Expo in Beijing on September 21, 2011. Beijing on September 22 reacted furiously to a 5.85 billion USD deal to upgrade Taiwan's fleet of F-16 fighter jets, summoning the US ambassador to protest and warning the move would damage relations.
- [Simon Lim/AFP/Getty Images]

An early unmanned drone during the re-opening ceremony of the Museum of Military History in Dresden, eastern Germany, on October 14, 2011.
- [Robert Michael/AFP/Getty Images]

A Yabhon-R, a medium altitude Long Endurance (MALE) UAV, designed and manufactured by the Abu Dhabi-based ADCOM Systems for tactical missions, is displayed at the Dubai Airshow on November 16, 2011.
- [Karim Sahib/AFP/Getty Images]