Retired U.S. Air Force Col. William “Blister” Townsley delivers a speech during the POW/MIA 24-hour Recognition Run opening ceremony at Joint Base Langley-Eustis, Virginia, Sept. 21, 2018. Townsley spoke about being shot down while flying a Cessna O-2B Super Skymaster during the Vietnam War. (U.S. Air Force photo by Airman 1st Class Anthony Nin Leclerec)