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CAPE CANAVERAL, Fla. -- Rising on twin columns of fire and creating rolling clouds of smoke and steam, space shuttle Discovery lifts off Launch Pad 39A at NASA's Kennedy Space Center in Florida on a picturesque, warm, late February afternoon. Launch of the STS-133 mission was at 4:53 p.m. EST on Feb. 24. Discovery and its six-member crew are on a mission to deliver the Permanent Multipurpose Module, packed with supplies and critical spare parts, as well as Robonaut 2, the dexterous humanoid astronaut helper, to the International Space Station. Discovery is making its 39th mission and is scheduled to be retired following STS-133. This is the 133rd Space Shuttle Program mission and the 35th shuttle voyage to the space station. For more information on the STS-133 mission, visit www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts133/. Photo credit: NASA