Boeing 2707 prototype supersonic airliner designed to fly at Mach 3. Further development was halted after the U.S. government cut funding in 1971.
Previously:
Boom Overture supersonic airliner - photos
Concorde flying at supersonic speed - photo
Aerospatiale/BAC Concorde cockpit - photo
Guy visits all SR-71 Blackbird planes - photos
Concorde jet droop nose - GIF, video, and photo
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