Image caption, The first X-plane was the X-1, which first took to the skies nearly 70 years ago On 14 October 1947, the Bell X-1 became ... 1959 and 1968, the X-15 reached the edge of space ...
ground firing of the X-1 rocket engine; filling the tanks with liquid oxygen; positioning and mating to the B-29 carrier; taxi for takeoff; the B-29 and chase plane in flight; Yeager entering the ...
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