Space shuttle Endeavour is scheduled to take off from Edwards Air Force Base in California on the back of a modified 747 at 10 a.m. EST (7 a.m. PST) Wednesday to begin a cross-country trek back to NASA’s Kennedy Space Center in Florida. The weather that kept Endeavour from beginning its flight earlier has improved along the proposed route, but the timing of the flight depends on observed conditions during the trip. NASA TV plans live coverage of the departure from Edwards.


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