STS-91 Mission Specialist Valery Ryumin with the Russian Space Agency, Pilot Dominic Gorie, Commander Charles Precourt, and Adam Flagan, a crew equipment trainer from Johnson Space Center, inspect a flight pack as part of Crew Equipment Interface Test, or CEIT, activities in KSC's Orbiter Processing Facility Bay 2. During CEIT, the crew have an opportunity to get a hands-on look at the payloads with which they'll be working on-orbit. The STS-91 crew are scheduled to launch aboard the Shuttle Discovery for the ninth and final docking with the Russian Space Station Mir from KSC's Launch Pad 39A on May 28 at 8:05 EDT