Retired Chief Master Sgt. Paul Koester, 58th Rescue Squadron chief enlisted manager, mentors an Airman participating in a training scenario Oct. 22 at Nellis Air Force Base, Nev. Koester entered the Air Force in 1974 and served a combined 41 years on active duty and Air National Guard. (U.S. Air Force photo by Airman 1st Class Jake Carter)
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