S81-29618 (6 April 1981) --- STS-1 prime and backup astronaut crew members look at visuals during a coordinated teleconference with engineers. Seated at the table in a briefing room at NASA's Johnson Space Center are, clockwise from the left, George W.S. Abbey, Director of Flight Operations, John W. Young, Robert L. Crippen, Joe H. Engle and Richard H. Truly. Young and Crippen are prime crewmen preparing to man the Columbia later this week for the flight of STS-1. Rockwell International engineers in California as well as JSC engineers participated in this telecon. Photo credit: NASA