The Gemini V spacecraft returned to Earth, landing in the Atlantic Ocean.
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Scott Carpenter orbited the Earth three times in the US Aurora 7.
The unmanned space mission Luna 21 was launched.
Soviet spacecraft Luna 6, destined for a moon landing, failed after flying right past it.
NASA launched the last space probe in the Mariner Program, Mariner 10.
The shuttle Atlantis and the Russian space station Mir joined, forming the largest artificial satellite to orbit the earth.
