![]() ![]() ![]() By Saturday morning, there will be lingering clouds and light precipitation, but the weather will improve through the day. "Tonight, the line of storms in the Gulf will move through Florida with the cold front causing showers and thunderstorms in the KSC area. Kennedy Space Center winds are from the southeast and are currently gusting over 20 knots at Complex 39A, and will continue to increase through the day. A line of showers and thunderstorms is evident with the front. The outlook from Air Force meteorologists: "A low pressure system is impacting the Gulf Coast with an associated cold front stretching into the Gulf of Mexico. EST launch time remains breezy but within limits. The weather forecast for Sunday's 4:39 a.m. The giant gantry-like rotating service structure is scheduled for retraction from around Endeavour at 8 a.m. The early morning chores at launch pad 39A on Saturday will focus on functional checks of the orbiter's star trackers, activating the inertial measurement units, thoroughly testing the communications network, loading the last items into the crew module, filling of the launch pad's sound suppression system water tank and installing film in pad cameras. That built-in hold should last 13 hours and 14 minutes. Upcoming this afternoon and evening, final tests of the avionics, pneumatics and controllers for the three main engines will be completed.Ĭountdown clocks will enter the lengthy T-minus 11 hour planned hold period at 11 p.m. The pad umbilical system used in the loading process will be demated and stowed later today. The oxygen level is being adjusted this morning based on the desired weight of Endeavour for launch. Technicians pumped the reactants into small tanks on the orbiter during a multi-hour operation that occurred overnight. The cryogenics are combined by the three onboard fuel cells to produce power and a byproduct of drinking water during the shuttle's mission. Liquid hydrogen and liquid oxygen reactants for space shuttle Endeavour's electricity-generating fuel cells have been loaded into storage spheres beneath payload bay as standard work continues at pad 39A for Sunday's launch. We're not tracking any technical issues at all," shuttle launch director Mike Leinbach says. "The launch countdown of Endeavour is going extremely well. The Mission Management Team gathered this morning for its pre-launch meeting and verified all remains on track for Endeavour to go fly Sunday. ![]()
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