Sgt. Casey Gazzaway leads a squad during a squad live-fire exercise.
U.S. Army Sgt. Casey Gazzaway, from Alpha Company, 5th Battalion, 20th Infantry Regiment, 3rd Stryker Brigade Combat Team, 2nd Infantry Division, leads a squad during a squad live-fire exercise at Kirkush Military Training Base, Diyala province, Iraq, on June 27, 2010.