flightairspeedrecord
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Watch This In-Depth Tour of the SR-71 Blackbird’s Jet Engine
The Lockheed SR-71 Blackbird is widely known as the fastest plane to ever take to the sky. It set a ground speed record of 3,529 km/h all the way back in July of 1976. That may not even be its true top speed: Another Blackbird pilot claimed to hit Mach 3.5 (or nearly 4,345 km/h)…