Astronaut Robert L. Stewart tests the MMU during the Challenger 41-B mission
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NASA. LARGE FORMAT. U.S. Air Force astronaut Robert L. Stewart tests the manned hand-controlled nitrogen-propelled maneuvering unit (MMU) as part of an extravaricular activity (EVA) during Shuttle Space Flight 41-B Challenger. The MMU is a device that allows astronauts to move freely in space without tethers. February 7, 1984.
Vintage chromogenic print. Numbering in the margin on the front. Legend on back label. 40.6 x 40.6CM with margins.
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