STS102-E-5015 (9 March 2001) --- Cosmonaut Yury V. Usachev, STS-102 mission specialist representing Rosaviakosmos, checks two extravehicular mobility unit (EMU) space suits in the airlock of the Space Shuttle Discovery. In less than two days, the suits will be in use by two of the future Expedition Two crew members. Usachev is scheduled to assume the commander's position soon onboard the orbiting outpost.