Fueling of space shuttle Endeavour’s external fuel tank with more than 500,000 gallons of super cold liquid oxygen and liquid hydrogen began on time at 11:36 p.m. EDT. Clocks began counting down again at T-6 hours following a two-hour built in hold. Forecasts remain at a 70 percent chance of favorable weather for Endeavour’s liftoff set for 8:56 a.m. EDT. Teams are not working any issues that would delay launch. Watch live commentary on NASA Television and at http://www.nasa.gov/ntv.