M107 rounds are staged before firing M198 155 mm howitzers with Kilo Battery, 1st Battalion, 10th Marine Regiment, 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.