An officer is seen reflected in a pool of muddy water as he gives orders to fellow Soldiers assigned to the 4th Infantry Brigade Combat Team (Airborne), 25th Infantry Division, U.S. Army Alaska, after executing a joint forcible entry exercise at Malemute Drop Zone on Joint Base Elmendorf-Richardson, Alaska, Aug. 23, 2016, as part of Exercise Spartan Agoge. Spartan Agoge is a brigade-level field training exercise that began Aug. 15, and focuses on an array of combat-related tasks from squad live-fire exercises to helicopter air insertion and airborne assault training. (U.S. Air Force photo/Justin Connaher). Original public domain image from Flickr