The third gun of Bravo Battery, 1st Battalion, 12th Marine Regiment fires a 155 mm howitzer under camouflage netting on Pohakuloa Training Area during Operation Spartan Fury 15.2, March 2, 2015. (U.S. Marine Corps photo by Lance Cpl. Khalil Ross/Released) - The third gun of Bravo Battery, 1st Battalion, 12th Marine Regiment fires a 155 mm howitzer under camouflage netting on Pohakuloa Training Area during Operation Spartan Fury 15.2, March 2, 2015. (U.S. Marine Corps photo by Lance Cpl. Khalil Ross/Released)