Oregon Air National Guardsmen prepares equipment for a mobile tower and a tactical air navigation system to allow for air traffic control operations during the Patriot North 2017 exercise at the Young Air Assault landing strip at Fort McCoy, Wis., July 17, 2017. The airmen are assigned to the Oregon Air National Guard’s 270th Air Traffic Control Squadron. The exercise is a training exercise designed for civilian emergency managers and responders to work with military units in the same manner that they would during disasters. Army photo by Scott T. Sturkol