Countdown Begins Today

The countdown for the final space shuttle launch begins today at 1 p.m. EDT. The STS-135 astronauts flew to NASA's Kennedy Space Center in Florida yesterday. Today the crew members will review their flight data file and conduct checks of their launch and entry suits.

At Kennedy's Launch Pad 39A, technicians have completed space shuttle Atlantis' aft confidence checks and final preparations of the main propulsion system.

Despite storms in the area over the extended weekend, there were no reports of adverse weather or lightning strikes inside the launch pad.

At 10 a.m. EDT this morning, NASA TV will carry the Precountdown Status Briefing live. Briefing participants will be Jeremy Graeber, NASA test director, Joe Delai, STS-135 payload manager, and Kathy Winters, shuttle weather officer. The briefing can be seen online at www.nasa.gov/ntv.