Lockheed SR-71 Blackbird Fastest Jet in the World Full Documentary

Lockheed SR 71 Blackbird Fastest Jet in the World Full Documentary Subscribe to US today! The Lockheed SR-71 “Blackbird“ was an advanced, long-range, Mach 3 strategic reconnaissance aircraft.[1] It was developed as a black project from the Lockheed A-12 reconnaissance aircraft in the 1960s by Lockheed and its Skunk Works division. Clarence “Kelly“ Johnson was responsible for many of the design’s innovative concepts. During reconnaissance missions, the SR-71 operated at high speeds and altitudes to allow