Lance Cpl. Christopher C. Acosta, team leader with Company C, 1st Battalion, 24th Marines, 25th Marine Regiment, 4th Marine Division, practice preparing range cards during exercise Nordic Frost on Camp Ethan Allen in Jericho, Vt., Jan. 20, 2018. The exercise enabled Reserve Marines to spend two weeks working together, battling the elements to ensure that they are ready to fight tonight and respond to the nation’s calls. (U.S. Marine Corps photo by Pfc. Samantha Schwoch/released)