Key Points and Summary - Decades before the rumored SR-72 "Darkstar," America had already conquered hypersonic flight with the X-15 rocket plane. -In 1967, this remarkable experimental aircraft, ...
International Moon Day was celebrated on July 20, observing the 56th anniversary of the Apollo 11 moon landing. The Apollo 11 mission, which launched from Florida, kickstarted a rich history of rocket ...
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