Field artillerymen with Bravo Battery, 1st Battalion, 12th Marine Regiment, create stable ground for the M777 155 mm Howitzer system by using shovels and pickaxes to dig holes for spades, March 7, 2014. (U.S. Marine Corps photo by Cpl. Nathan Knapke) - Field artillerymen with Bravo Battery, 1st Battalion, 12th Marine Regiment, create stable ground for the M777 155 mm Howitzer system by using shovels and pickaxes to dig holes for spades, March 7, 2014. (U.S. Marine Corps photo by Cpl. Nathan Knapke)