Marine Corps Capt. Clinton Snow, center left, briefs Marines on safety procedures before conducting breach training during Exercise Nordic Frost at the Camp Ethan Allen Training Site in Jericho, Vt., Jan. 19, 2018. The exercise enabled Marines to demonstrate their ability to conduct tasks and perform skills in a cold, mountainous environment. Snow is the company commander, 4th Marine Division's Echo Company, 4th Combat Engineer Battalion, 25th Marine Regiment. Marine Corps photo by Pfc. Samantha Schwoch