S73-27260 (1 June 1973) --- Two of the three SkyLab 2 crewmen demonstrate weightlessness in the forward compartment of the Orbital Workshop of the SkyLab 1 & 2 space station cluster in Earth orbit, as seen in this reproduction taken from a color television transmission made by a TV camera aboard the space station. Scientist-astronaut Joseph P. Kerwin, science pilot, floats with his body extended. Kerwin is steadied by astronaut Charles Conrad Jr., commander. The crewmen performed exercises while floating. Photo credit: NASA