Lance Cpl. Garrick R. Upton, an Amphibious Assault Vehicle operator with 2nd Assault Amphibian Battalion, 2nd Marine Division, shouts a warning back to his crew as he splashes into the surf of the Atlantic Ocean in an AAV aboard Marine Corps Base Camp Lejeune, North Carolina, July 31, 2014. 2nd AABn joined with 2nd Battalion, 10th Marine Regiment, 2nd Marine Division to conduct a training mission to transport the Expeditionary Fire Support System, which is an Internally Transportable-Strike vehicle towing the 120mm mortar, during aerial and amphibious insertions. - Lance Cpl. Garrick R. Upton, an Amphibious Assault Vehicle operator with 2nd Assault Amphibian Battalion, 2nd Marine Division, shouts a warning back to his crew as he splashes into the surf of the Atlantic Ocean in an AAV aboard Marine Corps Base Camp Lejeune, North Carolina, July 31, 2014. 2nd AABn joined with 2nd Battalion, 10th Marine Regiment, 2nd Marine Division to conduct a training mission to transport the Expeditionary Fire Support System, which is an Internally Transportable-Strike vehicle towing the 120mm mortar, during aerial and amphibious insertions.