Soldiers assigned to the 109th Transportation Company "Muleskinners", 17th Combat Sustainment Support Battalion, U.S. Army Alaska, provide covering fire as fellow Soldiers maneuver on an enemy force during an exercise on Joint Base Elmendorf-Richardson, Alaska, Sept. 21, 2017. The Soldiers performed this training as part of a larger exercise in multiple locations to build and maintain proficiency in essential soldiering skills like react to contact, and securing an objective as well as traffic control point training. (U.S. Air Force photo/Justin Connaher). Original public domain image from Flickr