S73-28793 (16 July 1973) --- The three crewmen of the second manned Skylab mission (Skylab 3) go over a checklist during preflight training at the Johnson Space Center. They are, left to right, scientist-astronaut Owen K. Garriott, science pilot; astronaut Alan L. Bean, commander; and astronaut Jack R. Lousma, pilot. They are in the crew quarters of the Orbital Workshop trainer in the Mission Training and Simulation Facility, Building 5, at JSC. Skylab 3 is scheduled as a 59-day mission in Earth orbit. Photo credit: NASA