Mars Science Laboratory (MSL) Project Ma

Mars Science Laboratory (MSL) Project Manager Pete Theisinger (C) and deputy project manager Adam Steltzner (R) celebrate with members of the Mars Rover Curiosity entry, descent and landing (EDL) team (foreground) after the Mars Rover Curiosity successfully landed on the surface of the Red Planet on August 5, 2012 at the Jet Propulsion Laboratory in Pasadena, California. NASA's 2.5 billion USD Mars rover on August 5 sent back its first signals to mission control as it was about to enter the Red Planet's atmosphere in the final moments of a dramatic touchdown. AFP PHOTO / ROBYN BECK (Photo credit should read ROBYN BECK/AFP/GettyImages)