The XF-85 Goblin was a tiny jet fighter designed to fly inside a bomber, but dangerous recoveries and the rise of aerial refueling ended the experiment.
The B-1B came back from the dead thanks to a doctrinal shift in how US bombers should operate and the need for a bridge ahead of the B-2 Spirit.
Mach 3.08 At 74,000 Feet: The XB-70’s Peak Moment Summary and Key Points: The lone surviving XB-70 Valkyrie—North American’s Mach 3 strategic bomber prototype—sits at the National Museum of the Air ...
The military aircraft is not as fast as you might think.
Military aviation history is filled with aircraft that achieved extraordinary performance yet never became widely fielded.