Kennedy Space Center, FL - Space Shuttle prime and
backup astronaut crews are preparing to be briefed on the
use of the emergency pad escape system, known as the
"slidewire."  From left to right, backup astronauts Joe
Engle and Richard Truly, and primary crew Command
John Young.  Both the prime and backup crews wore the
spacesuits and other equipment they will wear during a
mission.  The slidewire system provides a quick and sure
escape from the upper pad platforms in case of a serious
emergency.