Marines with Battalion Landing Team, 1st Battalion,

Marines with Battalion Landing Team, 1st Battalion, 1st Marines, shoot M4 carbine service rifles on the flight deck of the USS Ashland (LSD-41) while underway in the Pacific Ocean, April 11, 2018. Marines with the 31st Marine Expeditionary Unit improved their precision and ability to fire quickly after sighting in at short range. 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. As the Marine Corps’ only continuously forward-deployed MEU, the 31st MEU provides a flexible force ready to perform a wide range of military operations. (U.S. Marine Corps photo by Lance Cpl. Matt Navarra/Released)