U.S. Marine Artillery Cannoneers assigned to 1st Battalion, 12th Marine Regiment, Alpha Battery, execute a direct fire mission aboard Pohakuloa Training Area (PTA), Hawaii, Sep. 3rd, 2014. Members of 1st Battalion, 12th Marines (1/12), are enhancing their skills of direct fire support in support of operation Spartan Fury. (U.S. Marine Corps photo by Lance Cpl. Victor A. Mancilla/Released)