Bronze Star Medal presentation
Col. Wyn Elder, 62nd Airlift Wing commander (left), returns a salute from Lt. Col. John Knack, 62nd Maintenance Group deputy commander (right), during Knack's Bronze Star Medal presentation, Jan. 17, 2013, at Joint Base Lewis-McChord, Wash. Knack was awarded the medal for exceptional meritorious service in a combat zone with exposure to risk of hostile action during his deployment to Iraq in 2011. (U.S. Air Force photo/Staff Sgt. Sean Tobin)