S90-41360 (11 June 1990) --- Two crewmembers assigned to NASA's Spacelab Life Sciences (SLS-1)/STS-40 mission are pictured during emergency egress training in the Shuttle mockup and integration laboratory at the Johnson Space Center (JSC). Seen are astronauts Sidney M. Gutierrez (left) pilot, and Bryan D. O'Connor, mission commander. Out of frame are astronauts Rhea Seddon, James P. Bagian, Tamara E. Jernigan, all mission specialists; and payload specialists Millie Hughes-Fulford and F. Drew Gaffney.