The Lockheed–Boeing–General Dynamics YF-22 is an American single-seat, twin-engine, stealth fighter prototype technology demonstrator designed for the United States Air Force. The design team, with Lo
A YF-22 during a test flight
Diagram of several designs submitted for ATF RFI. Note Lockheed's large CL-2016 design with inspiration from the SR-71 family.
Early Lockheed ATF concept with faceted shape for stealth
Lockheed's submission for Dem/Val RFP, designated Configuration 090P
The Northrop B-2 Spirit is an American nuclear-capable subsonic stealth strategic bomber, often referred to as a "stealth bomber", solely operated by the United States Air Force. A four-engined flying
The B-2's first public display in 1988 at Palmdale, California: in front of the B-2 is a star formed with five B-2 silhouettes
The B-2's first publicized flight in 1989