STS-40 Columbia, OV-102, glides towards a landing on runway 22 at EAFB, Calif

STS040-S-174 (14 June 1991) --- The Space Shuttle Columbia is only moments away from touchdown on Runway 22 at Edwards Air Force Base in California. The landing completes a successful nine-day Spacelab Life Sciences (SLS-1) mission, the first ever devoted exclusively to life sciences research. Onboard the spacecraft were astronauts Bryan D. O'Connor, Sidney M. Gutierrez, Rhea Seddon, James P. Bagian and Tamara E. Jernigan; and payload specialists F. Drew Gaffney and Millie Hughes-Fulford. Landing occurred at 8:39:11 a.m. (PDT), June 14, 1991.