S89-39624 (3 July 1989) --- Following rollover from the Orbiter Processing Facility, the orbiter Columbia is prepared for mating with the ET/SRB stack in the Vehicle Assembly Building transfer aisle as work continues toward an early August launch of Space Shuttle Mission STS-28. STS-28 is a Department of Defense dedicated mission. Crew members for the mission are: Commander Brewster H. Shaw, Pilot Richard N. Richards, and Mission Specialists Mark N. Brown, James C. Adamson, and David C. Leestma.