Marines with Battalion Landing Team, 1st Battalion,

Marines with Battalion Landing Team, 1st Battalion, 1st Marines, hold their position in an Assault Amphibious Vehicle during an amphibious raid during the 31st Marine Expeditionary Unit’s Certification Exercise, Camp Hansen, Okinawa, Japan, April 16, 2018. BLT 1/1, the Ground Combat Element of the 31st Marine Expeditionary Unit, is an infantry battalion reinforced with light-armored vehicles, artillery, combat engineers, and assault amphibious vehicles. The 31st MEU and Amphibious Squadron 11 conduct Certification Exercise as the final evaluation in a series of training exercises which ensure readiness for crisis response throughout the Indo-Pacific region. (U.S. Marine Corps photo by Lance Cpl. Matt Navarra/Released)