New Launch Time: No Earlier Than 8:18 a.m. EDT

The soonest the Atlas V rocket and TDRS-M spacecraft could launch this morning is 8:18 a.m. EDT. Managers and engineers continue to evaluate the Centaur liquid oxygen chilldown system and expect it may take a few more minutes and go beyond that time, although temperatures are trending in the right direction. The launch window extends to 8:43 a.m.