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Yak-141 "Freestyle" - Farnborough Airshow 1992. The project started in 1975 to make a supersonic VSTOL capable of surpassing Harrier's speed and capability. The project was sold to Lockheed in 1991 and was used to start the X-35 (F-35) project.

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The Aviationist » Russian Tu-22 bomber scares NATO air defenses flying at supersonic speed over the Baltic Sea for the first time

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from NASA

Celestial Schlieren Uses Sun to Study Shockwaves

An Air Force Test Pilot School T-38 passes in front of the sun at supersonic speed.