U.S. Army Staff Sgt. Mitchell Tull II provides security while practicing reaction to contact as part of unit battle drill training exercises in Iraq, April 10, 2015. Tull is a communications and electronics specialist with the 82nd Sustainment Brigade attached to the 310th Forward Advise and Assist Team. Their mission is to advise and assist the Iraqi armed forces with logistics operations. Army photo by Capt. Adrian S. Taylor