USAF "Scorpion 1" F-117 Stealth, Area 51. The Lockheed F-117 Nighthawk is a stealth ground attack aircraft formerly operated by the United States Air Force. The F-117A's first flight was in 1981, and it achieved Initial Operational Capability status in October 1983. The F-117A was "acknowledged" and revealed to the world in November 1988.