Russia Is Developing a New Fighter Jet That is Hypersonic and Flies in ‘Space’

February 15, 2018 7:15 am nationalinterest.org
Russia Is Developing a New Fighter Jet That is Hypersonic and Flies in ‘Space’

Outer space is generally considered to begin sixty-two miles high, or 327,000 feet. In 1963, a NASA X-15 aircraft reached an altitude of sixty-seven miles high, which remained a world record until the Space Shuttle (considered an aircraft rather than a spacecraft for this purpose) first flew in 1981. However, the X-15 was a rocket plane and the Space Shuttle a glider mated to giant rocket boosters. None of which…

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