Stock Photo - At the Banana River Creek VIP viewing area at NASA's Kennedy Space Center in Florida, NASA Administrator Charlie Bolden addresses the spectators attending space shuttle Discovery's liftoff from Launch Pad 39A on its final mission to the International Space Station. Discovery lifted off at 4:53 p.m. (EST) on Feb. 24, 2011. The six-member STS-133 crew will deliver the Permanent Multipurpose Module, supplies and critical spare parts, as well as Robonaut 2, the dexterous humanoid astronaut helper, to the station. This is the 133rd Space Shuttle Program mission and the 35th shuttle voyage to the space station.