Mark Hess Headquarters, Washington, D.C. August 27, 1992 (Phone: 202/453-4164) Barbara Schwartz Johnson Space Center, Houston (Phone: 713/483-5111) RELEASE: 92-136 CREW ASSIGNMENTS ANNOUNCED FOR STS-58 AND STS-61 John E. Blaha (Col., USAF) will command the Spacelab Life Sciences-2 Space Shuttle mission STS-58 scheduled for launch next summer. This mission will continue life sciences research on adaptation to microgravity in preparation for Space Station Freedom and future planetary exploration. Blaha is a veteran of three previous Space Shuttle missions, as Pilot on STS-29 in March 1989 and STS-33 in November 1989 and as Commander on STS-43 in August 1991. Pilot on STS-58 is Richard A. Searfoss (Maj., USAF), a member of the 1990 astronaut class. This is Searfoss' first flight. William S. McArthur, Jr., (Lt. Col., USA), also from the astronaut class of 1990 and assigned to his first flight, will be a mission specialist. Previously assigned crew members are Payload Commander M. Rhea Seddon, M.D., assigned in October 1991, and mission specialists Shannon Lucid, Ph.D., and David Wolf, M.D., both assigned in December 1991. Three mission specialists with spacewalking experience are named to join Payload Commander Story Musgrave, M.D., on STS-61 Hubble Space Telescope servicing mission scheduled for late 1993. They are Tom Akers (Lt. Col., USAF) who flew on STS-41 in October 1990 and STS-49 in May 1992; Jeffrey A. Hoffman, Ph.D., who flew on STS-51-D in April 1985, STS-35 in December 1990 and STS-46 in August 1992; and Kathryn C. Thornton, Ph.D., who flew on STS-33 in November 1989 and STS-49 in May 1992. - end -