STS056-S-052 (8 April 1993) --- A nocturnal scene shows the Space Shuttle Discovery leaving the Launch Pad to begin the Atlas-2 mission in Earth-orbit. Launch occurred at 1:29 a.m. (EDT), April 8. Onboard were astronauts Kenneth D. Cameron, Stephen S. Oswald, C. Michael Foale, Kenneth D. Cockrell and Ellen Ochoa.