Inside Discovery STS 102 crew members settle getting ready for a simulated countdown.

Inside Discovery, STS-102 crew members settle in their seats, getting ready for a simulated countdown. From left are Mission Specialists Yury Usachev, Susan Helms and James Voss, who are the Expedition Two crew going to the International Space Station for their four-month rotation. Expedition One will return to Earth with Discovery. STS-102 is the eighth construction flight to the Space Station, with Space Shuttle Discovery carrying the Multi-Purpose Logistics Module Leonardo. Launch on mission STS-102 is scheduled for March 8