Latvian joint terminal attack controllers and joint fires observers perform tactical movements for a close air support training mission with C Company, 125th Infantry Regiment, Wyoming, Mich., July 28, 2015, at Grayling Air Gunnery Range at Northern Strike 15. NS 15 is an annual training exercise on CGJMTC that assesses joint air-to-ground capability and involves hundreds of military personnel from 20 different states as well as Canada, Latvia, Poland and Australia. (U.S. Air National Guard photo by Master Sgt. Scott Thompson/released)