The alpha-magnetic spectrometer (AMS-1) is lifted in KSC’s MultiPayload Processing Facility in preparation for a move to the Space Station Processing Facility via the Payload Environmental Transportation System. The STS-91 payload arrived at KSC in January and is scheduled to be flown on the 9th and final Mir docking mission, scheduled for launch in May. The objectives of the AMS-1 investigation are to search for anti-matter and dark matter in space and to study astrophysics. The STS-91 flight crew includes Commander Charles Precourt; Pilot Dominic Gorie; and Mission Specialists Wendy B. Lawrence; Franklin Chang-Diaz, Ph.D.; Janet Kavandi, Ph.D.; and Valery Ryumin, with the Russian Space Agency. After docking with the Russian Space Station Mir, Mission Specialist Andrew Thomas, Ph.D., will join the STS-91 crew and return to Earth aboard Discovery