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Mercury-Redstone 3

美国国家航空航天局 (NASA) · Redstone MRLV · Launch Complex 5

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任务简介

水星-红石3号，又称自由7号，是美国首次载人航天飞行，于1961年5月5日进行，由宇航员艾伦·谢泼德驾驶。这是水星计划的首次载人飞行，该计划的目标是将宇航员送入地球轨道并安全返回。谢泼德的任务是一次15分钟的亚轨道飞行，主要目标是展示他承受发射和大气层再入时高过载的能力。

原文

Mercury-Redstone 3, or Freedom 7, was the first United States human spaceflight, on May 5, 1961, piloted by astronaut Alan Shepard. It was the first manned flight of Project Mercury, the objective of which was to put an astronaut into orbit around the Earth and return him safely. Shepard's mission was a 15-minute suborbital flight with the primary objective of demonstrating his ability to withstand the high g-forces of launch and atmospheric re-entry.

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