Retired Air Force Lt. Col. Bob Hansen dons his original bomber jacket he wore during World War II as a B-24 pilot. Hansen and his crew completed 30 bombing missions during the war, including providing close air support during the D-Day invasion and Battle of the Bulge in 1944. Hansen joined three other veterans of of the Battle of the Bulge at the U.S. Air Force Expeditionary Center Dec. 15 as part of a panel of the historic battle. (U.S. Air Force photo by Tech. Sgt. Zachary Wilson/Released.)