Air Force Chief of Staff Gen. David L. Goldfein learns about the unique mission capabilities of the 123rd Airlift Wing during a visit to the Kentucky Air National Guard base in Louisville, Ky., Aug. 10, 2019. The wing is home to a special tactics squadron and the only contingency response group in the Air National Guard. (U.S. Air National Guard photo by Staff Sgt. Joshua Horton)

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Photo by: Staff Sgt. Joshua Horton |  VIRIN: 190810-Z-DI861-0252.JPG