Marines with Weapons Company, 3rd Battalion, 25th Marine Regiment, 4th Marine Division, take cover as a fence charge is detonated during exercise Nordic Frost at Camp Ethan Allen Training Site in Jericho, Vt., Jan. 7. 2017. The Marines were evaluated on their ability to successfully operate demolitions in a demanding cold-weather environment. (U.S. Marine Corps photo by Cpl. Melissa Martens/ Released)