NASA: MISSION CONTROL, 1983. /nGary Coen (foreground), entry team flight director for NASA's STS-6 mission of the Space Shuttle Challenger, watches the Shuttle land at Edwards Air Force Base in California, 9 April 1983. Astronauts Roy Bridges and Brian O'Connor (at right) are spacecraft communicators. Photographed at Johnson Space Center by Otis Imboden.