Infantry Marines move to counter-attack the enemy’s attack in the later stage of the battalion assault course Feb. 10 at Marine Air Ground Combat Center Twentynine Palms, California, during Integrated Training Exercise 2-15. Infantry Marines use amphibious assault vehicles to move across the battle space faster and safer than on foot. The infantry Marines are with 1st Battalion, 4th Marine Regiment, 1st Marine Division, I Marine Expeditionary Force. The AAV operators are with Company D, 3rd Amphibious Assault Battalion, 1st Marine Division, I Marine Expeditionary Force. - Infantry Marines move to counter-attack the enemy’s attack in the later stage of the battalion assault course Feb. 10 at Marine Air Ground Combat Center Twentynine Palms, California, during Integrated Training Exercise 2-15. Infantry Marines use amphibious assault vehicles to move across the battle space faster and safer than on foot. The infantry Marines are with 1st Battalion, 4th Marine Regiment, 1st Marine Division, I Marine Expeditionary Force. The AAV operators are with Company D, 3rd Amphibious Assault Battalion, 1st Marine Division, I Marine Expeditionary Force.

Lance Cpl. Christian J. Hernandez cleans the breach of a M777A2 lightweight 155 mm howitzer Jan. 30 at Marine Air Ground Combat Center Twentynine Palms during Integrated Training Exercise 2-15 to keep the weapon firing properly. The howitzer is capable of firing high explosive, illuminating, smoke and satellite guided rounds. Hernandez, a Buford, Georgia, native, is a cannoneer with Alpha Battery, 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 of Special Purpose Marine Air-Ground Task Force 4. - Lance Cpl. Christian J. Hernandez cleans the breach of a M777A2 lightweight 155 mm howitzer Jan. 30 at Marine Air Ground Combat Center Twentynine Palms during Integrated Training Exercise 2-15 to keep the weapon firing properly. The howitzer is capable of firing high explosive, illuminating, smoke and satellite guided rounds. Hernandez, a Buford, Georgia, native, is a cannoneer with Alpha Battery, 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 of Special Purpose Marine Air-Ground Task Force 4.