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At the Space Station Processing Facility, the Expedition Two crew check out the inside of the air lock. Cosmonaut Yury Usachev is at left; astronaut Susan Helms is seated, center; and astronaut James Voss is second from right. They are joined by astronaut John Young, at right, who flew on mission STS-1. Voss, Helms and Usachev will be flying on mission STS-102, launching March 8, to the International Space Station. The air lock will be carried to the Station during their tenure in space. STS-102 will be Helms’ and Voss’s fifth Shuttle flight, and Usachev’s second. They will be replacing the Expedition One crew (Bill Shepherd, Yuri Gidzenko and Sergei Krikalev), who will return to Earth March 20 on Discovery along with the STS-102 crew