A trigger man with Kilo Battery, 1st Battalion, 10th Marine Regiment, 2nd Marine Division pulls the firing lanyard of his M777 howitzer during Rolling Thunder, a training operation at Fort Bragg, N.C., Oct. 19, 2014. Going through all the operational procedures for firing the howitzer was one of many training requirements covered during the exercise. (Marine Corps photo by: Cpl. Jorden M. Wells / released)