Launch Preps Continue

Space shuttle Discovery's launch is on track for 1:36 a.m. EDT Tuesday.

Shuttle Launch Weather Officer Kathy Winters forecasts a 70 percent chance of favorable weather for liftoff and fueling of the external tank.

At NASA's Kennedy Space Center in Florida, the STS-128 crew members are on a launch sleep schedule and went to bed at 7 a.m. They'll be awakened at 3 p.m. to start their day and review flight plans. At 9 p.m. Commander Rick Sturckow and Pilot Kevin Ford will climb into NASA's Shuttle Training Aircraft to practice approaches and landings at Kennedy's Shuttle Landing Facility.

NASA Television will broadcast a countdown preview briefing with NASA Test Director Steve Payne at 10 a.m. today, which can be found at

The official countdown for Tuesday’s launch begins at 11 tonight.