2018-03-082018-03-081977-05http://hdl.handle.net/2152.3/6663The Spacelab Mission Development Test III was a ground-based simulation of a series of life sciences experiments conducted by Ames Research Center and Johnson Space Center-. Personnel from Ames Research Center planned and prepared experiments which [274] were then delivered to Johnson Space Center, where they were carried out in the context of a 7-day spaceflight simulation. This image reflects one of the crew members observing rats in animal research.Spacelab Mission Development Test IIISMD IIIAstronaut William E. ThorntonSpace Medicineanimal researchratS-77-24454