FILE - This Aug. 5, 2012 file photo shows Mars Science Laboratory Curiosity team member Miguel San Martin, left, celebrating with Adam Steltzner of the Mars Science Laboratory (MSL), ri

 

              FILE - This Aug. 5, 2012 file photo shows Mars Science Laboratory Curiosity team member Miguel San Martin, left, celebrating with Adam Steltzner of the Mars Science Laboratory (MSL), ri
FILE - This Aug. 5, 2012 file photo shows Mars Science Laboratory Curiosity team member Miguel San Martin, left, celebrating with Adam Steltzner of the Mars Science Laboratory (MSL), right, after the successful landing of the Curiosity rover on the surface of Mars at NASA's Jet Propulsion Laboratory in Pasadena, Calif. NASA's Curiosity rover celebrated its first year on Mars on Monday, Aug. 6, 2013. (AP Photo/Damian Dovarganes, file)