NASA Starts Space Shuttle Endeavour Countdown Aug. 4

[techpr]

NASA will start the launch countdown for space shuttle Endeavour's STS-118 mission at 9 p.m. EDT Saturday, Aug. 4, at T-43 hours.

More... (http://www.nasa.gov/home/hqnews/2007/jul/HQ_M07093_118_countdown.html)