Cpl. Anthony Payton, a field artillery cannoneer with Lima Battery, 2nd Battalion, 10th Marine Regiment, swabs an M777 Howitzer after it was fired during a live-fire exercise at Marine Corps Base Camp Lejeune, North Carolina, Sept. 30, 2015. This was the last exercise Lima conducted as a standalone battery. - Cpl. Anthony Payton, a field artillery cannoneer with Lima Battery, 2nd Battalion, 10th Marine Regiment, swabs an M777 Howitzer after it was fired during a live-fire exercise at Marine Corps Base Camp Lejeune, North Carolina, Sept. 30, 2015. This was the last exercise Lima conducted as a standalone battery.