U.S. Air Force Staff Sgt. Maxima Sasamoto, 439th Supply Chain Operations Squadron bombers mission impaired compatibility awaiting parts supervisor, applies a staff sergeant sticker on a senior airman during the Staff Sergeant Release Party at Langley Air Force Base, Va., Aug. 20, 2015. Air Force officials selected 13,269 of 39,260 eligible Senior Airmen for promotion to staff sergeant. (U.S. Air Force photo by Staff Sgt. John D. Strong II/ Released)