ELLSWORTH AFB, S.D. - Members of the Ellsworth Honor Guard perform a 21-gun salute at the Black Hills National Cemetery in honor of America’s prisoners of war and missing in action, Oct. 1. Observances of National POW/MIA Remembrance Day are held across the country on military installations, ships at sea, state capitols, schools and veterans' facilities. (U.S. Air Force photo/Staff Sgt. Marc I. Lane)