The Lockheed SR-71 Blackbird is the fastest air-breathing manned aircraft in the world. It is also one of the most fearsome reconnaissance aircraft, able to outrun threats from the Soviet Union at ...

Key Points - The A-12 Oxcart, developed by Lockheed's Skunk Works for the CIA in the early 1960s, was the single-seat, Mach 3.29 (at 90,000 feet) precursor to the USAF's more famous SR-71 Blackbird.

Is the SR-71 still the fastest plane ever in service? This question captivates aviation enthusiasts and historians alike because the aircraft flew three times the speed of sound and remained ...