Fire Controlman 2nd Class Paul Chapman, from Dixon, Calif., attaches a clearing sector hold back tool on an MK 15 Baseline 2 Phalanx Close-In Weapons System on a sponson aboard aircraft carrier USS Carl Vinson. Carl Vinson and its embarked air wing, Carrier Air Wing 17, are deployed supporting maritime security operations, strike operations in Iraq and Syria as directed, and theater security cooperation efforts in the U.S. 5th Fleet area of responsibility.