The Space Shuttle Program Mission Management Team met at 6:45 p.m. EST and gave a “go” to begin loading shuttle Endeavour’s external tank with more than 500,000 gallons of liquid oxygen and liquid hydrogen. The operation is set to begin at 7:14 p.m. Launch is targeted for 4:39:50 a.m. Sunday.
There is an 80 percent chance of favorable weather for launch.
NASA Television is providing live commentary of external tank loading and launch commentary and the NASA Launch Blog will begin at 11:30 p.m.