U.S. Air Force Staff Sgt. select Johnathan Vetter, 17th Security Forces Squadron, receives his promotion certificate during the staff sergeant release party at the event center on Goodfellow Air Force Base, Texas, August 23, 2019. Staff sergeants are highly trained technicians with supervisory and training responsibilities. (U.S. Air Force photo by Airman 1st Class Robyn Hunsinger/Released)
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