Lt. Col. David Kuch, 48th Medical Support Squadron flight commander, displays boxcar entries before a race at the Cub Scout Pack 219 Pinewood Derby at the Exchange on Royal Air Force Lakenheath, England, Feb. 24, 2015. All cars were made from a seven-inch piece of wood and had to be under the Boy Scouts of America-regulated five ounces to participate. (U.S. Air Force photo by Senior Airman Nigel Sandridge/Released)