Teams at Launch Pad 39A began moving the rotating service structure (RSS) away from space shuttle Endeavour at 11:58 p.m., April 28 in preparation for today’s launch attempt. Completion of RSS retraction occurred at 12:32 a.m. this morning. The launch team is currently working no technical issues and there is a 70 percent chance of acceptable weather at launch time. Live commentary of the external tank fueling coverage will begin at 6:15 a.m. and continuous launch commentary will begin at 10:30 a.m. Endeavour is scheduled to launch at 3:47:55 p.m. EDT on its final mission.