June 7, 2011
Payload specialist James A. (Jim) Pawelczyk (left) monitors the completion of a test run on the off-axis rotator, with astronaut Dafydd R. (Dave)Williams having served as test subject. Williams is a mission specialist representing the Canadian Space Agency (CSA). The rotator system can be set up to spin with the crew member sitting up or lying down (see STS090-E-5019 in which Williams was depicted lying down during this test).
Topics: payload specialist, Space exploration, NASA, Dafydd R. (Dave) Williams, Canadian Space Agency, Disaster Accident