S99-07010 (9 July 1999) --- Astronaut Brent W. Jett, Jr., STS-97 mission commander, looks on as Carlous Gillis, a United Space Alliance suit technician, checks the collar on his launch and entry garment. The five-man STS-97 crew was about to participate in a rehearsal of emergency bailout procedures in the Neutral Buoyancy Laboratory (NBL).