Air Force joint terminal attack controllers (first two from left) and their joint partners with the 3rd Battalion (Airborne), 509th Infantry Regiment, 4th Infantry Brigade Combat Team, 25th Infantry Division make last minute uniform and equipment adjustments before jumping out of a C-17 Globemaster III aircraft approaching Buffalo Drop Zone at Fort Greely, Alaska, in support of Spartan Pegasus Oct. 23, 2014. Spartan Pegasus is a cold-weather, rapid-entry operation demonstrating U.S. Army Alaska’s unique capacity to provide rapid-response ground forces to the joint forces commander throughout remote, Arctic environments. The iteration of Spartan Pegasus is integrated with Exercise Vigilant Shield 15, which is the annual North American Aerospace Defense Command and U.S. Northern Command homeland defense exercise. (U.S. Army photo by Sgt. 1st Class Jeffrey Smith/Released)