(06/19/2002) -- After traveling 5.8 million miles in space during 217 orbits, Endeavour touches down on concrete runway 22 at Dryden Flight Research Center, Edwards Air Force Base, Calif., completing mission STS-111. Three days of unfavorable weather conditions at KSC prompted the decision to land at Edwards, which enjoyed pristine, dry conditions.. Main gear touchdown occurred at 1:57:41 p.m. EDT, nose gear touchdown at 1:57:53 p.m. EDT and wheel stop at 1:58:45 p.m. EDT.