Knowing who is what in the armed forces: a reporter's primer - Medill News Service
PTV Cordillera - Baro a PNP rank classification ken abbreviation, epektibo itan 27 March 2019; Wednesday By: PTV Cordillera EPEKTIBO itan ti baro a rank classification ken abbreviation ti Philippine National Police.
CPT - Captain
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Ranks — LOGBOOK magazine
CAPT - "Captain" by AcronymsAndSlang.com
ABBREVIATIONS FOR MILITARY RANKS AND TERMS, AND FOR BRITISH, GERMAN AND PROVINCIAL REGIMENTS