Lockeed F-117 Nighthawk - USAF Postage Stamp Collection The F-117 Nighthawk is a single seat twin engine stealth ground attack aircraft operated by the United States Air Force. Its iconic and revolutionary technology enabled it to attack its opponents while being virtually undetectable. The Nighthawk spent much of its early service life shrouded in secrecy, until it was "acknowledged" and unveiled to the world in November 1988. Specifications Collection: Postage Stamp Collection Ages: 14 & Up