S73-20276 (1 March 1973) --- Astronaut Paul J. Weitz, pilot of the first manned SkyLab mission, lies in the lower body negative pressure device during SkyLab training at Johnson Space Center. Operating the controls in the background is scientist-astronaut Joseph P. Kerwin, science pilot of the mission. They are in the work and experiments area of the crew quarters of the SkyLab Orbital Workshop (OWS) trainer at JSC. Photo credit: NASA