Packs belonging to U.S. Marines with Bravo Battery, 1st Battalion, 12th Marine Regiment are attached to a Medium Tactical Vehicle Replacement (MTVR) during Spartan Fury at the Pohakuloa Training Area, on the big island of Hawaii, March 22, 2017. Spartan Fury is a Battalion level pre-deployment training exercise designed to improve sustainment training for future deployments. (U.S. Marine Corps photo by Cpl. Alex Kouns/Released)