April 12, 1961 – Yuri Gagarin makes the first human spaceflight in Vostok 1, orbiting the Earth once, in 108 min. He could not have done it if we had not figured out how to exceed MACH 1 #soundbarrier #BellX1 @usairforce #aviation #aviationhistory @yuri #yurigagarin
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thank you for the reply. If you could visit us and see the restored B-17, we would be honored to have you.pic.twitter.com/5LN40Erhba
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