During the Cold War, this plane could fly higher and faster than any other — and 55 years after its first flight, it still does. The Lockheed SR-71, designed in secrecy in the late 1950s, was able to cruise near the edge of space and outfly a missile. To this day, it holds the records for the highest altitude in horizontal flight and the fastest speed for a non-rocket powered aircraft. It was part of a family of spy planes built to venture into enemy territory, without being shot down or even detected, in a time before satellites and […]

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See more about this here: Why a Cold War spy plane is still the world’s best