@SpaceflightNow: Final manned Mercury mission launched atop Atlas rocket with Gordon Cooper today in 1963 https://t.co/g8wX6g6j3T https://t.co/cjGpoVXVbk
twitter.com/SpaceflightNow/status/73195062361...
twitter.comPosted May 15, 2016, 8:56 PM UTC
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