Senior Master Sgt. Frank Erine Joseph instructs World Affairs in the Air National Guard’s NCO academy in 1969 to students on McGhee Tyson Air National Guard Base in East Tennessee. Sergeant Joseph was among the original instructors that helped start the academy in July 1968. (U.S. Air National Guard file photo)

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Photo by: Master Sgt. Mike R. Smith |  VIRIN: 180223-Z-F3887-004.JPG