Aerospace & Defense
What set X-20 Dyna-Soar apart from its contemporaries, Mercury, Gemini, and the Soviet Vostok, was that it wasn't a capsule.
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What set X-20 Dyna-Soar apart from its contemporaries, Mercury, Gemini, and the Soviet Vostok, was that it wasn't a capsule.
Most people associate Apollo exclusively with the Moon, which makes sense, given that Apollo only ever went there. But after the lunar landing, NASA...