ELLSWORTH AIR FORCE BASE, S.D. - 28th Bomb Wing Airmen stand in formation and salute the American flag during the prisoner of War/Missing in Action retreat ceremony, Oct. 1. As part of POW/MIA day, Airmen participated in a 5k run, a motorcycle ride to the Black Hills National Cemetery prior to the retreat ceremony. (U.S. Air Force photo/Airman 1st Class Anthony Sanchelli)