M198 155 mm howitzers with Kilo Batter, 1st Battalion, 10th Marine Regiment, are staged in a firing line in support of the 2nd Marine Divisions Command Post Exercise (CPX) at Gun Post 26, Camp Lejeune, N.C., March 6, 2014. The CPX is designed to strengthen the 2nd Marine Divisions unit cohesion and combat effectiveness for future operations.