Chief Master Sgt. Tom Kimball says how proud he is to his nephew, Lt. Col. Mark Kimball, a B-1 pilot, the morning before the chief retired, Feb. 17, 2017 at his home outside of Denver, Co. Chief Kimball served more than 24 years in the Air Force.

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Keywords: afspc, air, archive, armed, defence, force, forces, kimball, military, reportage, retired, salanitri, servicemen, space, usa