S88-53244 (14 Nov 1988) --- The crewmembers for STS-27 leave the operations and checkout (O&C) building en route to a transfer van that will take them to Launch Pad 39B for their terminal countdown demonstration test. From the front to the rear are astronauts Robert L. Gibson, Guy S. Gardner, William M. Shepherd, Richard M. (Mike) Mullane and Jerry L. Ross.