KSC-01PP-1224 - STS-104 Commander Lindsey inside Atlantis for simulated countdown KENNEDY SPACE CENTER, Fla. -- Inside Space Shuttle Atlantis, Commander Steven W. Lindsey is ready for a simulated countdown exercise. The simulation is part of Terminal Countdown Demonstration Test activities. The launch of Atlantis on mission STS-104 is scheduled July 12. The mission is the 10th flight to the International Space Station and carries the Joint Airlock Module and High Pressure Gas Assembly. 06/29/2001