Air Force Airman Justin Hurd, 20th Component Maintenance Squadron aerospace propulsion apprentice, safety-wires a number one bearing nut installation tool in preparation to attach it to a torque multiplier at Shaw Air Force Base, , Sept. 7, 2016. Fixing the torque multiplier is just one of the many aspects that go into building the engines of the 79 F-16 Fighting Falcons assigned to Shaw. ( Air Force photo by Airman 1st Class Destinee Sweeney)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
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Keywords: #20cms, #aerospacepropulsion, #cms