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.

Sgt. Trenton Hammonds is a Red Springs, North Carolina native and Reserve Marine with Company F, 4th Tank Battalion, 4th Marine Division. A natural leader, Hammonds is mentoring junior Marines during exercise Winter Break 2018 at Camp Grayling, Michigan, Feb. 4-17, 2018. - Sgt. Trenton Hammonds is a Red Springs, North Carolina native and Reserve Marine with Company F, 4th Tank Battalion, 4th Marine Division. A natural leader, Hammonds is mentoring junior Marines during exercise Winter Break 2018 at Camp Grayling, Michigan, Feb. 4-17, 2018. When he's not training Marines in his capacity as a tank commander, Hammonds works as a maintenance supervisor for an apartment complex at the University of North Carolina, Pembroke.

HM2 Corey Parker is an Augusta, Georgia native and Navy corpsman stationed with a Marine Corps Reserve unit based in Camp Lejeune, North Carolina. - HM2 Corey Parker is an Augusta, Georgia native and Navy corpsman stationed with a Marine Corps Reserve unit based in Camp Lejeune, North Carolina.

Cpl. Tevfik Ozkaynak (left), a rifleman with Company C, 1st Battalion, 25th Marine Regiment, 4th Marine Division and Sgt. Lee Gugino (right), a squad leader, observe objective points on a map while on a reconnaissance patrol during exercise Riley Xanten II, in Burwash, Ontario, Feb. 3-5, 2017. During the exercise, the Marines joined soldiers from the Canadian Armed Forces to exchange knowledge and increase proficiency in cold weather tactics, survival skills, shelter building, ice fishing, and more. (U.S. Marine Corps photo by Sgt. Sara Graham/released) - Cpl. Tevfik Ozkaynak (left), a rifleman with Company C, 1st Battalion, 25th Marine Regiment, 4th Marine Division and Sgt. Lee Gugino (right), a squad leader, observe objective points on a map while on a reconnaissance patrol during exercise Riley Xanten II, in Burwash, Ontario, Feb. 3-5, 2017. During the exercise, the Marines joined soldiers from the Canadian Armed Forces to exchange knowledge and increase proficiency in cold weather tactics, survival skills, shelter building, ice fishing, and more. (U.S. Marine Corps photo by Sgt. Sara Graham/released)