RQ-170 Sentinel Down in Iran - Indian Defence Review
RQ-170: The Air Force's secret 'Beast of Kandahar' - Sandboxx
Exclusive: Uniquely Configured RQ-170 Sentinel Photographed At Vandenberg AFB
Iran–U.S. RQ-170 incident - Wikipedia
Possibly unknown/damaged drone spotted at Lockheed Martin's Advanced Development Program Facility (on the same day Iran captured a U.S. stealthy RQ-170) - The Aviationist
Israel Air Force says seized Iranian drone is a knockoff of US Sentinel
Spotted: America's Shadowy Stealth Spy Drone | The National Interest
Lockheed Martin RQ-170 Sentinel (Wraith)
Iran Displays Captured RQ-170 Stealth Drone
China's New Stealth Drone Looks Like a Clone of American Technology