S83-30220 (9 April 1983) --- The space shuttle Challenger makes its first landing shortly before 11 a.m. (PST) on April 9, 1983, on Runway 22 at the Edwards Air Force Base in Southern California. Onboard the reusable spacecraft, having just completed a successful five-day mission, are astronauts Paul J. Weitz, Karol J. Bobko, F. Story Musgrave and Donald H. Peterson. Photo credit: NASA