Reserve Marines with Company F, 4th Tank Battalion, 4th Marine Division, refuel their Abrams M1A1 Main Battle Tank with an M978A2 fuel servicing truck during a fuel resupply mission at exercise Winter Break 2018, aboard Camp Grayling, Michigan, Feb. 10, 2018. Reserve Marines spend two weeks each year building their capabilities at an Annual Training exercise. This year, the Camp Lejeune, North Carolina, based tank company is taking advantage of Camp Grayling’s rugged training areas to test their offensive, defensive and maneuver capabilities in an austere cold weather environment.