Live at KSC: Closeout crew departing launch pad

A seven-person launch pad crew has closed up the "white room" outside Endeavour's crew hatch and is preparing to depart launch pad 39A.

Endeavour remains on track for a 6:51 p.m. launch.

NASA continues to closely watch for weather that could push toward Kennedy Space Center, but mission managers are optimistic.

There appears to be some storm activity to the north and south, but KSC remains "green" for launch.

The main concern will be showers or thunderstorms within 20 miles of the shuttle landing strip.