US 'spy' drone shot down by Tehran, but Americans deny it was in Iranian airspace - ABC News
US drone and Russia jet collide: What we know and don't know - Los Angeles Times
US Deployed RQ-170 Stealth UAV To Spy On Russian Military Positions In Crimea; Mirage-2000s Also Used For Covert Ops
U.S. spy drones may be relocated from Kagoshima to Okinawa - The Japan Times
High-Flying Spy Drone, Powered By Liquid Coal | WIRED
MQ-9 Reaper: what is the US drone that collided with a Russian jet and how is it used? | Drones (military) | The Guardian
Accusing US of 'Intrusion' Into National Airspace, Iran Shoots Down American 'Spy' Drone
IRGC Reveals More Details of Downing US Drone - Politics news - Tasnim News Agency
Aviation Week: Air Force's new stealth spy drone is already flying
All you need to know about the Global Hawk spy drone shot down by Iran | Military | Al Jazeera
Iran releases video allegedly captured by crashed US spy drone
Iran says it has shot down a US spy drone | The Week
This is America's Biggest UAV - Meet the RQ-4 GLOBAL HAWK - YouTube
US surveillance drones flying over Gaza to help with hostage search | CNN Politics
Trump Says Downing of U.S. Drone May Have Been Unintentional - WSJ
Spy drones are U.S. military's eyes in the sky
US military drone crashes into Black Sea after Russian intercept | Reuters
 "American Drone MQ-9 Reaper Shot Down By Yemen's Houthi Rebels, Confirms US Official")
American Drone MQ-9 Reaper Shot Down By Yemen's Houthi Rebels, Confirms US Official
Pentagon report justifies deployment of military spy drones over the U.S.
Pentagon: Military spy drones in U.S. used for disaster relief
Northrop Grumman RQ-4 Global Hawk - Wikipedia
Australia spy drones to boost surveillance operations over South China Sea. | CNN
US Spy Drones Flew Missions From Australia Beginning in 2001
Lockheed D-21 - Wikipedia
