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 two events prior to the retreat ceremony, a 5k run and a motorcycle ride to the Black Hills National Cemetery. (U.S. Air Force photo/Airman 1st Class Anthony Sanchelli)