S83-30138 (6 April 1983) --- Granvil A. (Al) Pennington waits for the launch of STS-6?s Challenger as he begins his duties as ascent team integrated communication systems officer (INCO) at the INCO console in the mission operations control room (MOCR) of the Johnson Space Center?s mission control center. The second reusable spacecraft in history launched from the Kennedy Space Center?s Pad 39A at 1:30:00:88 p.m. (EST) today.