160624-D-PB383-0376

Air Force Chief of Staff Gen. Mark A. Welsh III, stands at attention alongside his son, Marine 1st Lt. Matthew Welsh, during his retirement ceremony at Andrews Air Force Base, Md. Gen. Welsh was commissioned as an Air Force officer in June 1976, and became chief of staff in August 2012. DoD Photo by Navy Petty Officer 2nd Class Dominique A. Pineiro

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