060805-N-5831F-003 (Aug. 5, 2006)Ben Howell and Josh Apgar, both engineering students from the Massachusetts Institute of Technology (MIT), perform diagnostics tests on their autonomous underwater vehicle in preparation for the Ninth Annual Autonomous Underwater Vehicle Competition held at Space and Naval Warfare Systems Center San Diego (SSC San Diego), California (CA).U.S. Navy official photo by Mass Communication SPECIALIST 3rd Class Leticia Fritzsche (RELEASED)