A Marine with Combat Logistics Battalion 31, 31st Marine

A Marine with Combat Logistics Battalion 31, 31st Marine Expeditionary Unit, exits a muddy pool as part of the Endurance Course at the Jungle Warfare Training Center, Camp Gonsalves, Okinawa, Japan, May 24, 2018. During the training, Marines and Sailors with the battalion learned essential jungle survival skills in order to better support operations in the Indo-Pacific region. The 31st MEU, the Marine Corps' only continuously forward-deployed MEU, provides a flexible force ready to perform a wide-range of military operations. (U.S. Marine Corps photo by Lance Cpl. Kealii De Los Santos/Released)