The STS-90 crew arrive at Kennedy Space Center's Shuttle Landing Facility in preparation for the launch of Columbia on April 16 at 2:19 p.m. EDT from KSC's Launch Pad 39B. The crew of STS-90 are, left to right, Mission Specialist Richard Linnehan, D.V.M.; Mission Specialist Dafydd (Dave) Williams with the Canadian Space Agency; Payload Specialist James Pawelczyk, Ph.D.; Mission Specialist Kathryn (Kay) Hire; Commander Richard Searfoss; Payload Specialist Jay Buckey, M.D.; and Pilot Scott Altman. STS-90, which will be the second mission of 1998, is scheduled to last nearly 17 days