The STS-40 crew portrait includes 7 astronauts. Pictured on the front row from left to right are F. Drew Gaffney, payload specialist 1; Milli-Hughes Fulford, payload specialist 2; M. Rhea Seddon, mission specialist 3; and James P. Bagian, mission specialist 1. Standing in the rear, left to right, are Bryan D. O’Connor, commander; Tamara E. Jernigan, mission specialist 2; and Sidney M. Gutierrez, pilot. Launched aboard the Space Shuttle Columbia on June 5, 1991 at 9:24; am (EDT), the STS-40 mission was the fifth dedicated Spacelab Mission, Spacelab Life Sciences-1 (SLS-1), and the first mission dedicated solely to life sciences.