WIKIARCHIVES.SPACE

The STS-77 astronauts stand in front of the Space Shuttle Endeavour at Launch Pad 39B after the Rotating Service Structure has been rolled away. From left are Mission Specialists Daniel W. Bursch and Andrew S. W. Thomas; Commander John H. Casper; Mission Specialists Mario Runco Jr. and Marc Garneau (who represents the Canadian Space Agency; and Pilot Curtis L. Brown Jr. Endeavour is undergoing preparations for liftoff on Mission STS-77, the fourth Shuttle flight of 1996, during a two-and-a-half hour launch window opening at 6:30 a.m. EDT, May 19.