National Interest on MSN20d
Fifty Years Later, the SR-71 Blackbird Is Still the Fastest Plane Ever Built
The SR-71 could fly at Mach 3.2 (around 2,100 miles per hour)—lightyears faster than anything the Soviet Union could throw at it.
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Unassuming Pratt & Whitney F100 Engine Going After SR-71's Speed Record Begins Testing
But only one, the legendary Lockheed SR-71 Blackbird spy plane, holds the speed record with humans on board. Back in 1976 one of these planes reached a staggering speed of Mach 3 (2,193.2 mph ...