Lt. Gen. Charles Luckey, chief of Army Reserve and commanding general of United States Army Reserve Command, discusses troop movements with Canadian Lt. Col. Will Graydon, commanding officer of the 3rd Battalion, Royal Canadian Regiment, on May 18, 2017, in Camp Wainwright, Alberta, Canada, during Maple Resolve 17. More than 650 U.S. Army Soldiers are supporting Maple Resolve 17, the Canadian Army’s premiere brigade-level validation exercise running May 14-29 at Camp Wainwright. As part of the exercise, the U.S. Army is providing a wide array of combat and support elements. These include sustainment, psychological operations, public affairs, aviation and medical units. (U.S. Army Reserve photo by Staff Sgt. Michael Crawford)