Lockheed SR-71 Blackbird
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The Lockheed SR-71 "Blackbird" is a retired long-range, high-altitude, Mach 3+ strategic reconnaissance aircraft that was developed and manufactured by the American aerospace company Lockheed Corporat
Lockheed SR 71 Blackbird
SR-71 Blackbird assembly line at Skunk Works
Tandem cockpits
No-step areas are outlined in red on the SR-71A at the Museum of Aviation, Robins AFB. Operational aircraft had the words NO STEP to indicate to which side of the line the warning applied.
Lockheed YF-12
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The Lockheed YF-12 is an American Mach 3+ capable, high-altitude interceptor prototype, developed and manufactured by American aerospace company Lockheed Corporation.
Lockheed SR-71 Blackbird
…hour, 54 minutes and 56 seconds. In 1976, it became the fastest airbreathing manned aircraft, previously held by its predecessor, the closely related Lockheed YF-12. As of 2026, the Blackbird still holds both world records. In 1989, the USAF retired the SR-71, largely for political reasons, although several were…
YF-12A
Picture of the modified chine to accommodate the AN/ASG-18 radar
Lockheed YF-12A, Serial# 60-6934, the only YF-12A in ADC markings
YF-12A over mountainous terrain.