Atlantis - Wednesday Launch Countdown Underway

NASA started the launch countdown for Space Shuttle Atlantis' STS-115 mission at 7 a.m. CDT Sunday, Sept. 3, at the T-43 hour point.
This mission is the 116th space shuttle flight, the 27th flight for Atlantis and the 19th U.S. flight to the International Space Station. STS-115 is scheduled to last 11 days with a landing at NASA's Kennedy Space Center, Fla., about 7:03 a.m. CDT Sunday, Sept. 17.