Air National Guard Chief Master Sgt. Troy Martin, 270th Engineering Installation Squadron superintendent, shakes hands with Lt. Col. Carolyn Bartley, 270th Engineering Installation Squadron Commander, during a ceremony at Biddle Air National Guard Base in Horsham, Pennsylvania, to promote Martin to his current rank, February 3, 2024. Air National Guard

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Keywords: 111th, air, attack, base, biddle, guard, national, pa, pennsylvania, wing