Mars Science Laboratory Curiosity team member Miguel San Martin, chief engineer of guidance, navigation and control at Jet Propulsion Laboratory (left) celebrates with Adam Steltzner, entry, descent and landing (EDL) lead of the Mars Science Laboratory (MSL), after the successful landing of Curiosity rover on the surface of Mars at NASA's Jet Propulsion Laboratory in Pasadena, Calif., Aug. 5, 2012.
Credit: AP Photo/Damian Dovarganes