Joint tactical air controllers from the 169th Air Support Operations Squadron, Peoria, Ill., climb on board a CH-47 Chinook helicopter from the Illinois Army National Guard 2nd Battalion, 238th General Support Aviation Battalion, Peoria, Ill., after a close-air support mission during Operation Northern Strike 2014 near Rogers City, Mich., on Aug. 6, 2014. Operation Northern Strike 2014 is a joint multi-national combined arms training exercise conducted in Michigan. (U.S. Air National Guard photo by Master Sgt. Scott Thompson/released)