160309-N-AV746-333 CORONADO, Calif. (March 9, 2015) A "combatant craft medium" boat assigned to Naval Special Warfare Special Boat Team 12 transits the San Diego bay. The CCM is a reconfigurable, multi-mission maritime surface tactical mobility craft with a primary mission to insert and extract special operations forces in a medium threat environment. (U.S. Navy photo by Mass Communication Specialist 2nd Class Timothy M. Black/Released)