Marines with Company F, 4th Tank Battalion, 4th Marine Division, pause to check the scheme of maneuver before a platoon formation rehearsal during exercise Winter Break 2018 near Camp Grayling, Michigan, Feb. 8, 2018. Winter Break 18 challenges Marines of Fox Co., 4th Tank Bn. to contend with employment problems caused by extreme cold weather and snow and adapt to the operational challenges of a severe climate. - Marines with Company F, 4th Tank Battalion, 4th Marine Division, pause to check the scheme of maneuver before a platoon formation rehearsal during exercise Winter Break 2018 near Camp Grayling, Michigan, Feb. 8, 2018. Winter Break 18 challenges Marines of Fox Co., 4th Tank Bn. to contend with employment problems caused by extreme cold weather and snow and adapt to the operational challenges of a severe climate.

Marines with Special-Purpose Marine Air-Ground Task Force Africa 13.2 radio an inbound MV-22 Osprey during a field training exercise aboard Marine Corps Base Camp Lejeune, N.C., Nov. 16, 2012. The Marines are learning advanced combat medical techniques, advanced driving techniques, methods for training foreign militaries on marksmanship and how to set up and conduct firing ranges to prepare for their upcoming deployment. (Marine Corps photo by Lance Cpl. Caleb McDonald/Released) - Marines with Special-Purpose Marine Air-Ground Task Force Africa 13.2 radio an inbound MV-22 Osprey during a field training exercise aboard Marine Corps Base Camp Lejeune, N.C., Nov. 16, 2012. The Marines are learning advanced combat medical techniques, advanced driving techniques, methods for training foreign militaries on marksmanship and how to set up and conduct firing ranges to prepare for their upcoming deployment. (Marine Corps photo by Lance Cpl. Caleb McDonald/Released)