STS028-S-018 (13 Aug 1989) --- The Space shuttle Columbia is captured on film just prior to main gear touchdown at Edwards Air Force Base in Southern California. The landing marked a successful end to a five-day Department of Defense (DOD)-devoted mission. Onboard the spacecraft were astronauts Brewster H. Shaw Jr., Richard N. Richards, David C. Leestma, James C. Adamson and Mark N. Brown.