Dellavalle promoted to Chief
Chief Master Sgt. Joseph Dellavalle (left), 914th Maintenance Squadron, receives the Chiefs' Creed from 914th Air Refueling Wing Command Chief Master Sgt. Kenneth Eason during Dellavalle's promotion ceremony to Chief Aug. 5, 2017 Niagara Falls Air Reserve Station, N.Y. Only about 1% of the Air Force enlisted force may hold the rank of Chief Master Sergeant. (U.S. Air Force photo by Tech. Sgt. Steph Sawyer)