Stock Photo - 03/26/1998 ___ The STS_91 crew participate in the Crew Equipment Interface Test CEIT for their upcoming Space Shuttle mission at the SPACEHAB Payload Processing Facility in Cape Canaveral. The CEIT gives astronauts an opportunity to get a hands_on look at the payloads with which they will be working on_orbit. STS_91 will be the ninth and final scheduled Mir docking and will include a single module of SPACEHAB, used mainly as a large pressurized cargo container for science, logistical equipment and supplies to be exchanged between the orbiter Discovery and the Russian Space Station Mir. The nearly 10_day flight of STS_91 also is scheduled to include the return of the last astronaut to live and work aboard the Russian orbiting outpost, Mission Specialist Andy Thomas, Ph.D. Liftoff of Discovery and its six_member crew is targeted for May 28, 1998, at 8:05 p.m. EDT from Launch Pad 39A. From left to right are STS_91 Pilot Dominic Gorie, STS_91 Commander Charles Precourt, Boeing SPACEHAB Payload Operations Senior Engineer Jim Behling, Boeing SPACEHAB Program Senior Engineer Shawn Hicks, Boeing SPACEHAB Program Specialist in Engineering Ed Saenger, STS_91 Mission Specialist Valery Ryumin with the Russian Space Agency, Boeing SPACEHAB Program Manager in Engineering Brad Reid, and Russian Interpreter Olga Belozerova