U.S. Army Lt. Gen. Michael Tucker, commander of First Army, speaks to Sailors, of the Expeditionary Medical Facility Dallas 1, while visiting the Golden Coyote training exercise hosted by the South Dakota National Guard on West Camp Rapid in Rapid City, S.D., June 12, 2015. Lt. Gen. Tucker visited the exercise where National Guard, Reserve, active duty and allied nation forces come together to two weeks to train in support of overseas contingency operations and homeland support missions.