Lt. Col. Daniel Dierfeldt, chief of aerospace medicine for the Kentucky Air National Guard's 123rd Medical Group, has been named field-grade physician of the year for the Air National Guard. Dierfeldt was instrumental in maintaining readiness across the 123rd Airlift Wing, based in Louisville, Ky. (U.S. Air National Guard photo by Master Sgt. Phil Speck)

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Photo by: Master Sgt. Phil Speck |  VIRIN: 230805-Z-JU667-1354.JPG