Astronaut F. Story Musgrave, STS-6 mission specialist, is assisted in a suit donning and doffing exercise in the KC-135 "zero-gravity" aircraft. He is wearing both the upper and lower torso portions of the extravehicular mobility unit (EMU) (39745); In this photo Musgrave is wearing the lower torso of the EMU and is being assisted by technicians to don the hard upper torso (39746).
