Paratroopers assigned to 1st Battalion, 501st Parachute Infantry Regiment, 4th Infantry Brigade Combat Team (Airborne), 25th Infantry Division, U.S. Army Alaska, leave Malemute drop zone after conducting airborne training at Joint Base Elmendorf-Richardson, Alaska, April 13, 2017. The Soldiers of 4/25 belong to the only American airborne brigade in the Pacific and are trained to execute airborne maneuvers in extreme cold weather/high altitude environments in support of combat, partnership and disaster relief operations. (U.S. Air Force photo by Alejandro Pena). Original public domain image from Flickr