2018-01-102018-01-101977http://hdl.handle.net/2152.3/4390Spacelab 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, Bill A. Williams.Space MedicineSMD IIISpacelab Mission Development TestWilliam E. ThorntonW. Carter AlexanderBill A. WilliamsCrew photo