"Astronaut James D. van Hoften tests the manned maneuvering unit (MMU) in the cargo bay of the space shuttle Challenger as a part of an extravehicular activity (EVA) during STS-41-C. The Solar Maximum Mission Satellite (SMMS), repaired and ready for release into space, is docked at the flight support system (FSS) at the rear."
Date: April 11, 1984
NARA: 6375544













