2018-01-102018-01-101977http://hdl.handle.net/2152.3/4389Spacelab Mission Development Test (SMD III was the third in a series of ground-based simulation experiments designed to test logistics and management procedures for Life Sciences space experiments. It was conducted in May 1977. This image reflects SMD III Crew William E. Thornton, W. Carter Alexander, and Bill A. Williams.Space MedicineSMD IIISpacelab Mission Development TestWilliam E. ThorntonW. Carter AlexanderBill A. Williams