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A Spacewalker's Emergency Lifejacket

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by Kivi

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08.22.2020



Astronaut Bruce McCandless was the first man to test NASA’s Manned Maneuvering Unit or MMU. In 1984, he floated alone in space for almost six hours before returning safely to the spacecraft.

From: SPACE VOYAGES: Open For Business
http://bit.ly/1ttmaef

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