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Bruce McCandless II

  • June 13, 2014
  • By KIDS DISCOVER

In February 1984, U.S. astronaut Bruce McCandless II became the first person to spacewalk without being tethered to a craft. Wearing a jet pack or MMU (Manned Maneuvering Unit), he flew more than 300 feet, about the length of a football field, from the space shuttle Challenger.

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