Mars Science Laboratory Atlas V First Stage Booster

NASA Administrator Charles Bolden, stands in front of the United Launch Alliance Atlas V first stage booster while taking questions from the media, Wednesday, Sept. 7, 2011, at the Cape Canaveral Air Force Station in Cape Canaveral, Fla. The booster will help send NASA's Mars Science Laboratory Curiosity rover to Mars later this year. Photo Credit: (NASA/Bill Ingalls)