June 7, 2011
Astronaut Dafydd R. (Dave) Williams, mission specialist, serves as a test subject in the Lower Body Negative Pressure (LBNP) device monitored by James A. (Jim) Pawelczyk, payload specialist. Jay C. Buckey, Jr., payload specialist is in the background.
Topics: payload specialist, NASA, Space exploration, Spaceflight, mission specialist, Jay C. Buckey, Human spaceflight