Space ShuttleSpace Shuttle Columbia is launched on the 63rd mission of the shuttle program. For two weeks, Columbia’s crew participates in the second IML (International Microgravity Laboratory) flight, conducting experiments relying on zero G around the clock. Columbia is also in orbit during the 25th anniversary of Apollo 11, the moon landing mission whose command/service module was also named Columbia. Aboard for Columbia’s 17th flight are Commander Robert Cabana, Pilot James Halsell, Payload Commander Richard Hieb, mission specialists Carl Walz, Leroy Chiao and Donald Thomas, and payload specialist Chiaki Naito-Mukai, the first Japanese woman in space.