Graphic on Japan's Kibo space research module. (AFP/Graphic)
1707 GMT (1:07 p.m. EDT)
T-minus 3 hours and counting. The countdown clocks are ticking again after the planned two-and-a-half hour built-in hold. Clocks will proceed to T-minus 20 minutes when the next hold is scheduled. A final hold occurs at the T-minus 9 minute mark to synch up with the 5:02 p.m. EDT launch time.
Graphic on Japan's Kibo space research module. (AFP/Graphic)