US Deployed RQ-170 Stealth UAV To Spy On Russian Military Positions In Crimea; Mirage-2000s Also Used For Covert Ops
Why did the US Air Force's RQ-170 Sentinel stealth reconnaissance drone have a grill covering its engine inlet instead of using an inlet like the B-2 Spirit? - Quora
Israel Air Force says seized Iranian drone is a knockoff of US Sentinel