March 5, 2013 -- Updated 1254 GMT (2054 HKT) Military drones CNN Explains: U.S. drones Dronestagram uses social media to highlight drone strikes February 8, 2013 -- Updated 2043 GMT (0443 HKT) Here are some key facts about the U.S. drone program, including how and when they are used, and where. February 8, 2013 -- Updated 2033 GMT (0433 HKT) Brennan said al-Awlaki's involvement in efforts to kill Americans made him a legitimate military target. February 8, 2013 -- Updated 1836 GMT (0236 HKT) CNN's Nic Robertson gives you the ins and outs of drones from their military to civilian uses. February 7, 2013 -- Updated 1455 GMT (2255 HKT) The Senate Intelligence Committee will receive a classified document that seeks to justify the administration's policy of targeting Americans overseas via drone attacks. February 6, 2013 -- Updated 0155 GMT (0955 HKT) CNN's Chris Lawrence reports on the technique used by the FBI to save a 5-year-old boy from his kidnapper in a bunker. November 9, 2012 -- Updated 2139 GMT (0539 HKT) Click through our gallery to learn more about the varied appearances of drones. February 7, 2013 -- Updated 1836 GMT (0236 HKT) The president's pick for CIA director -- John Brennan -- is one of a handful of U.S. officials who understands America's covert drone campaign inside and out. February 7, 2013 -- Updated 1838 GMT (0238 HKT) Iran says it has decoded and released footage from a U.S. drone that it downed more than a year ago. December 22, 2012 -- Updated 1835 GMT (0235 HKT) They are now a familiar presence in war zones, but if manufacturers have their way, skies over civilians heads will soon be busy with unmanned vehicles. February 6, 2013 -- Updated 1002 GMT (1802 HKT) A leaked document is adding to the controversy over U.S. drone strikes in foreign countries. CNN's Barbara Starr reports. February 7, 2013 -- Updated 1451 GMT (2251 HKT) As many as 54 countries participated in the overseas detention and rendition programs overseen by the CIA in the years following the September 11 attacks, according to a new report from a human rights watchdog group. February 7, 2013 -- Updated 1523 GMT (2323 HKT) The United States has signed a deal with the central Africa nation of Niger that allows deployment of surveillance drones to keep tabs on Islamic militants in the region. February 6, 2013 -- Updated 1936 GMT (0336 HKT) The attack in January on a gas facility in Algeria by an al Qaeda-linked group that resulted in at least 37 dead hostages has sparked an outpouring of dire warnings from leading Western politicians.