Captain's bars passed on through combat zone history
The rank of captain has been symbolized by double silver bars since 1832, and is sometimes referred to as railroad tracks. A specific set of the insignia has been passed down in combat zones through history, originating in World War II. In August, a captain flying out of Transit Center at Manas, Kyrgyzstan, got to continue that tradition pinning on the special insignia which had been flown on a combat mission over Afghanistan. (U.S. Air Force photo illustration/Staff Sgt. Robert Barnett)

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