U.S. Army paratroopers assigned to the 4th Infantry Brigade Combat Team (Airborne), 25th Infantry Division, U.S. Army Alaska, execute an airborne training jump from a CH-47 Chinook helicopter on Malemute drop zone at Joint Base Elmendorf-Richardson, Alaska, Thursday, Nov. 3, 2016. The Soldiers of 4/25 IBCT 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/Justin Connaher). Original public domain image from Flickr