Tytanna L. N. Davis, a ninth grader in the Swainsboro High School Junior Reserved Officers' Training Corps, listens as Sgt. Dustin P. Ellis, a military policeman with Headquarters and Headquarters Company, 4-3 Brigade Special Troops Battalion, 4th Infantry Brigade Combat Team, 3rd Infantry Division, discusses the M1117 Armored Security Vehicle, April 5, during a tour of the 4th IBCT complex on Fort Stewart, Ga. "Vanguard" soldiers from various battalions put their equipment and expertise on display for the students.