Space shuttle Atlantis, riding atop a modified Boeing 747 Shuttle Carrier Aircraft, is airborne once in the cross-country journey from Edwards Air Force Base in California to NASA's Kennedy Space Center in Florida. The flight departed Lackland Air Force Base in San Antonio, Texas this afternoon and is en route to Columbus Air Force Base in Mississippi. Once Atlantis gets to Columbus Air Force base, managers will assess the weather and determine the best route to arrive at Kennedy this evening.

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