Space Shuttle Discovery lifts off on the 103rd shuttle flight, a mission to exchange crewmembers aboard the International Space Station. In the cargo bay is a logistics module containing consumables, supplies, and equipment racks to be installed in the Destiny laboratory module. Aboard Discovery for her 29th flight are Commander James Wetherbee, Pilot James Kelly, mission specialists Andrew Thomas and Paul Richards, and ISS Expedition 2 crewmembers James Voss, Susan Helms and Yuriy Usachev. The Expedition 1 crewmembers (William Shepherd, Yuri Gidzenko and Sergei Krikalev) return to Earth aboard the shuttle.
