Lance Cpl. Christian J. Hernandez (left) and Lance Cpl. Giovonni Mejia fire the M777A2 lightweight 155 mm howitzer Jan. 31 to support units engaged in the mechanized assault course at Marine Air Ground Combat Center Twentynine Palms during Integrated Training Exercise 2-15. “Fighting with combined arms is on of the most important parts of the (Marine Air-Ground Task Force),” said Lt. Col. Neil J. Owens. Giovonni, a Dallas, Texas native and Hernandez, a Buford, Georgia, native are both cannoneers with 1st Battalion, 12th Marine Regiment, currently assigned to 3rd Battalion, 12th Marines, 3rd Marine Division, III Marine Expeditionary Force for ITX 2-15, as part of the ground combat element for SPMAGTF-4. Owens, a Medford, Massechusetts, native, is the commanding officer for 3rd Bn., 12th Marines. (U.S. Marine Corps photo by Lance Cpl. William Hester/ Released) - Lance Cpl. Christian J. Hernandez (left) and Lance Cpl. Giovonni Mejia fire the M777A2 lightweight 155 mm howitzer Jan. 31 to support units engaged in the mechanized assault course at Marine Air Ground Combat Center Twentynine Palms during Integrated Training Exercise 2-15. “Fighting with combined arms is on of the most important parts of the (Marine Air-Ground Task Force),” said Lt. Col. Neil J. Owens. Giovonni, a Dallas, Texas native and Hernandez, a Buford, Georgia, native are both cannoneers with 1st Battalion, 12th Marine Regiment, currently assigned to 3rd Battalion, 12th Marines, 3rd Marine Division, III Marine Expeditionary Force for ITX 2-15, as part of the ground combat element for SPMAGTF-4. Owens, a Medford, Massechusetts, native, is the commanding officer for 3rd Bn., 12th Marines. (U.S. Marine Corps photo by Lance Cpl. William Hester/ Released)