Lt. Col. Christopher Johnson (center left), commanding officer of Combat Logistics Battalion 31, and Sgt. Maj. Christopher S. Gasser (center right), sergeant major of CLB-31, lead the battalion during a five-kilometer conditioning hike at Camp Hansen, Okinawa, Japan, July 20, 2018. The CLB-31 Marines and Sailors completed the hike to build endurance and unit morale. The 31st MEU, the Marine Corps’ only continuously forward-deployed MEU, provides a flexible force ready to perform a wide-range of military operations. ( Marine Corps photo by Lance Cpl. Alexis B. Betances/Released)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
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Keywords: 31, 31st, 5k, battalion, clb-31, combat, conditioning, corps, endurance, expeditionary, force, hike, iii, japan, logistics, marine, marines, morale, okinawa, unit, usmc