Kathy Winters talk to launch space shuttle Discovery on the STS-133 mission to the International Space Station and the weather forecast.

NASA Public Affairs Officer Candrea Thomas, NASA Test Director Steve Payne and Shuttle Launch Weather Officer Kathy Winters talk to media about the progression of the countdown to launch space shuttle Discovery on the STS-133 mission to the International Space Station and the launch-day weather forecast.

Scheduled to lift off Feb. 24 at 4:50 p.m. EST, Discovery and its six-member crew will deliver the Permanent Multipurpose Module, packed with supplies and critical spare parts, as well as Robonaut 2, the dexterous humanoid astronaut helper, to the orbiting outpost. For more information on the STS-133 mission, visit www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts133/. Photo credit: NASA/Jim Grossmann