Manned Maneuvering Unit
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 U.S. astronaut Bruce McCandless uses a manned maneuvering unit |
The Manned Maneuvering Unit (MMU) is an astronaut propulsion unit which was used by NASA on three space shuttle missions in 1984. The MMU allowed the astronauts to perform untethered EVA spacewalks at a distance from the shuttle. The MMU was used in practice to retrieve a pair of faulty communications satellites, Westar VI and Palapa B2. Following the third mission the unit was retired from use. A smaller successor, the Simplified Aid for EVA Rescue (SAFER), was first flown in 1994, and is intended for emergency use only.
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| "More Favored than the Birds": The Manned Maneuver... "More Favored than the Birds": The Manned Maneuvering Unit in Space history.nasa.gov/SP-4219/Chapter13.html - Web |
| NASA Manned maneuvering unit: User's guide - 1978 ... NASA Manned maneuvering unit: User's guide - 1978 (PDF document) ntrs.nasa.gov/.../19790008382_1979008382.pdf - Web |
| Assessment of the NASA Manned Maneuvering Unit - 1... Assessment of the NASA Manned Maneuvering Unit - 1988 (PDF document) ntrs.nasa.gov/.../19900001658_1990001658.pdf - Web |
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| Interactive MMU Interactive MMU www.spacetravel.org/space-travel/interactivespacesuit.html - Web |
| Shuttle MMU Shuttle MMU www.astronautix.com/craft/shulemmu.htm - Web |
| Lockheed Martin - Manned Maneuvering Unit Lockheed Martin - Manned Maneuvering Unit www.lockheedmartin.com/us/who-we-are/history/mmu.html - Web |
