(03/06/2001) --- The Shuttle Carrier Aircraft with orbiter Columbia on top taxis at the Cape Canaveral Air Force Station Skid Strip. In the background is another SCA, which brought Atlantis back to KSC from California. The ferry flight began in California March 1. Unfavorable weather conditions kept it on the ground at Dyess AFB, Texas, until it could return to Florida. Columbia is returning from a 17-month-long modification and refurbishment process as part of a routine maintenance plan. The orbiter will next fly on mission STS-107, scheduled Oct. 25