Air Force veteran Chris Vaia
U.S. Air Force veteran Chris Vaia renders a salute during the playing of the U.S. national anthems at a prisoner of war and missing in action remembrance ceremony at Osan Air Base, Republic of Korea, Sept. 20, 2018. According to the Defense POW/MIA Accounting Agency, more than 82,000 Americans remain missing from WWII, the Korean War, Vietnam War, Cold War, Gulf Wars and other recent conflicts.
(U.S. Air Force photo by Staff Sgt. Sergio A. Gamboa)