(10/02/2000) --- STS-92 Mission Specialist William S. McArthur Jr. smiles for the camera during inspection of the payload (left) in Space Shuttle Discovery’s payload bay. He and other crew members Commander Brian Duffy, Pilot Pamela Ann Melroy and Mission Specialists Koichi Wakata of Japan, Leroy Chiao, Peter J.K. “Jeff” Wisoff and Michael E. Lopez-Alegria are preparing for launch on Oct. 5, 2000. The mission is the fifth flight for the construction of the International Space Station. The payload includes the Integrated Truss Structure Z-1 and the third Pressurized Mating Adapter. During the 11-day mission, four extravehicular activities (EVAs), or space walks, are planned