U.S. Army Lt. Gen. Michael Tucker, commander of First Army, meets the NCO in charge of a bridge building project in Custer, S.D., while visiting the Golden Coyote training exercise hosted by the South Dakota National Guard, 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.