U.S. Air Force Col. Donald Borchelt, 1st Fighter Wing vice commander, and U.S. Air Force retired Lt. Col. Barry Bridger, begin the 24-hour run to honor all prisoners of war and service members missing in action during the National POW/MIA Recognition Day ceremony at Joint Base Langley-Eustis, Va., Sept. 15, 2016. Bridger was a prisoner of war in “Hanoi Hilton” prison camp for six years during the Vietnam War. (U.S. Air Force photo by Airman 1st Class Tristan Biese)

U.S. Air Force Col. Donald Borchelt, 1st Fighter Wing vice commander, speaks during the National POW/MIA Recognition Day ceremony at Joint Base Langley-Eustis, Va., Sept. 15, 2016. The ceremony was held in honor and remembrance of all prisoners of war and service members missing in action. (U.S. Air Force photo by Airman 1st Class Tristan Biese)

The 440th Supply Chain Operations Squadron start the POW/MIA ceremony 24-hour run at Joint Base Langley-Eustis, Va., Sept. 15, 2016. The POW/MIA flag has flown on National POW/MIA Recognition Day since 1982. (U.S. Air Force photo by Airman 1st Class Tristan Biese)

Members of Joint Base Langley-Eustis complete the POW/MIA 24-hour run and walk during the National POW/MIA Recognition Day closing ceremony at Joint Base Langley-Eustis, Va., Sept. 15, 2016. The run was dedicated to POW/MIA and runners carried the flag continuously for 24-hours until it was hoisted at the closing ceremony by the Langley Honor Guard. (U.S. Air Force photo by Senior Airman Kimberly Nagle)

U.S. Air Force Col. Caroline M. Miller, 633rd Air Base Wing commander, speaks with Allen Ordorff, a World War II veteran, before the POW/MIA Recognition Day ceremony at Joint Base Langley-Eustis, Va., Sept. 16, 2016. While serving in the European theater during World War II, Orndorff was a member of the unit that found and liberated the Nazi concentration camp Dachau. (U.S. Air Force photo by Staff Sgt. Natasha Stannard)

Members of the Joint Base Langley-Eustis honor guard prepare to post the colors during the POW/MIA Recognition Day ceremony at Joint Base Langley-Eustis, Va., Sept. 16, 2016. The flag is raised as a solemn reminder to never forget the sacrifices made to defend the Nation. (U.S. Air Force photo by Staff Sgt. Natasha Stannard)

Allen Ordorff, a World War II veteran, listens as a fellow veteran shares his story of being captured as a prisoner of war during the Vietnam War at the POW/MIA Recognition Day ceremony at Joint Base Langley-Eustis, Va., Sept. 16, 2016. Orndorff volunteered to serve his country at the age of 17, and separated from the military at the rank of technical sergeant. (U.S. Air Force photo by Staff Sgt. Natasha Stannard)

U.S. Air Force Col. Caroline M. Miller, 633rd Air Base Wing commander, and retired U.S. Air Force Lt. Col. Barry B. Bridger, former Vietnam War prisoner of war, salute the POW/MIA wreath at the POW/MIA Recognition Day ceremony at Joint Base Langley-Eustis, Va., Sept. 16, 2016. Observances of National POW/MIA Recognition Day are held across the country on military installations, ships at sea, state capitols, schools and veterans' facilities. (U.S. Air Force photo by Staff Sgt. Natasha Stannard)

Allen Ordorff, center, a World War II veteran, makes his way to a POW/MIA Recognition Day ceremony at Joint Base Langley-Eustis, Va., Sept. 16, 2016. While attached to the 101st Airborne Division, Orndorff served in both the European and Pacific theater. (U.S. Air Force photo by Staff Sgt. Natasha Stannard)

U.S. Air Force Master Sgt. Vanessa Reeves, POW/MIA ceremony coordinator, embraces retired U.S. Air Force Lt. Col. Barry B. Bridger, former Vietnam War prisoner of war, during a POW/MIA Recognition Day ceremony at Joint Base Langley-Eustis, Va., Sept. 16, 2016. In addition to the ceremony, Service members participated in a 24-hour run, during which they ran with the POW/MIA flag to recognize the sacrifices made by those missing in action or those who suffered as prisoners of war. (U.S. Air Force photo by Staff Sgt. Natasha Stannard)

Retired U.S. Air Force Lt. Col. Barry B. Bridger, left, former Vietnam War prisoner of war, Allen Ordorff, a World War II veteran, and Orndorff’s neighbor Amanda Atwell stand to pay honor to POW/MIA at the POW/MIA Recognition Day ceremony at Joint Base Langley-Eustis, Va., Sept. 16, 2016. Bridger and Ordorff shared their stories of witnessing atrocities of the Vietnam and World Wars. (U.S. Air Force photo by Staff Sgt. Natasha Stannard)

The American Flag waves during the National POW/MIA Recognition Day closing ceremony at Joint Base Langley-Eustis, Va., Sept. 15, 2016. During the ceremony a former prisoner of war, U.S. Air Force retired Lt. Col Barry Bridger spoke to the crowd about his personal experiences while serving in the U.S. military. (U.S. Air Force Photo by Senior Airman Kimberly Nagle)