The Mirror US on MSN3 天
World's fastest plane could have gone from London to New York in under an hour
The record-breaking NASA/USAF X-15, the fastest plane ever built, could blaze through the skies at a staggering 4,520mph, ...
来自MSN4 个月
Flight Test Files: B-47A Stratojet
The Dryden complex originated at Edwards Air Force ... A little while back, we began a series of articles looking at the air-test work which NASA and its forebear, the N.A.C.A., conducted at ...