Despite added clouds on the horizon, NASA fueled Endeavour for the additional beeline night Sunday in hopes of sending the shuttle on the aftermost big amplitude base architecture mission.The barrage aggregation began pumping millions of gallons of ammunition into Endeavour aloof as the Super Bowl was blame off to the south in Miami. NASA's barrage director, Mike Leinbach, told his controllers to be at their computers, accessible to abutment the launch, football or not. He said there would be no distractions in the battlefront room, arena of all the shuttle monitoring.Endeavour and its aggregation of six were appointed to bang off at 4:14 a.m. Monday with a fresh allowance and ascertainment accouter for the International Amplitude Station.Sunday morning's try was baby by thick, low clouds. The clouds were aback Sunday night, but forecasters said it looked added favorable than the antecedent night and they put the allowance of adequate altitude at 60%.It was the aftermost appointed night barrage for the amplitude shuttle program, ambagious bottomward afterwards about 30 years. Afterwards this one, aloof four flights remain.Commander George Zamka and his aggregation awoke afterwards sleeping through the afternoon. They will assignment the brief about-face in apogee during their two-week mission.