U.S. Army paratroopers, assigned to the 4th Infantry Brigade Combat Team (Airborne), 25th Infantry Division (Spartan Brigade), prepare to board a C-130J Super Hercules, assigned to the 36th Airlift Squadron, Yokota Air Base, Japan, during exercise Arctic Warrior 21 at Joint Base Elmendorf-Richardson, AK, Feb. 8, 2021. During the exercise, multiple supporting U.S. Army and Air Force air and ground crews, and Canadian partners worked together to execute the operation in remote and extreme arctic winter conditions, and ultimately ensure all forces involved continue to work cohesively to overcome both environmental and military challenges. (U.S. Air Force photo by Staff Sgt. Gabrielle Spalding)