The STS-56 crew portrait includes five astronauts. Seated from the left are Stephen S. Oswald, pilot; and Kenneth D. Cameron, commander. Standing, from the left, are mission specialists Kenneth D. Cockrell, C. Michael Foal, and Ellen Ochoa. The crew launched aboard the Space Shuttle Discovery on April 8, 1993 at 1:29:00 am (EDT) with the Atmospheric Laboratory for Applications and Science-2 (ATLAS-2) as the primary payload.