TOLGA, Norway (Dec. 5, 2021) Norwegian soldiers teach U.S. Marines with 2d Marine Expeditionary Force about cold weather concealment near Tolga, Norway, Dec. 5, 2021. Marines are participating in train-the-trainer cold weather training to accurately instruct the U.S. forces arriving early in 2022 to participate in the Norwegian-led Exercise Cold Response. Exercises such as Cold Response enhances familiarity with and proficiency operating in Arctic conditions alongside Allies and partners. (U.S. Marine Corps photo by Sgt. Robin Lewis)