Space shuttle Atlantis is in Kentucky. A jumbo jet carrying the shuttle, landed at Ft. Campbell for refueling on July 2, 2007.
A modified Boeing 747 with the shuttle mounted on its back, left Edwards Air Force Base in California on July 1.
Fort Campbell said the shuttle could be grounded through the Fourth of July because of weather.
Atlantis landed June 22, with seven astronauts aboard after a 14-day construction mission at the International Space Station.
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