Video by Cpl. Dallas Johnson Player Embed Code: Download Embed Share MARFORRES tankers take on ice, snow at Winter Break 18 Marine Forces Reserve Feb. 12, 2018 | 2:20 Marines with Fox Company, 4th Tank Battalion, 4th Marine Division, tested their ability to conduct operations in the deep snow and extreme cold of the harsh northern Michigan winter during exercise Winter Break 18, aboard Camp Grayling, Michigan, Feb. 6-14.