2018-03-082018-03-081977-05http://hdl.handle.net/2152.3/6675The 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 were then delivered to Johnson Space Center, where they were carried out in the context of a 7-day spaceflight simulation. This image reflects Astronaut William E. Thornton conducting research.Astronaut William E. ThorntonSpace Medicineresearchanimal researchSpacelab Mission Development Test IIISMD IIIS-77-24471