Tech. Sgt. Steve Lew (left), an aerospace propulsion technician, Master Sgt. Shawn Froehling (middle), a flight chief, and Senior Airman Sean Kenny (right), an aerospace propulsion technician, all assigned to the 910th Maintenance Squadron, are torqueing the bolts as a step in the assembly procedure, Aug. 11, 2019 at Youngstown Air Reserve Station. The squadron is preparing the propeller for a blade bore inspection. (U.S. Air Force photo/Senior Airman Juliet Louden)