Bilingual Pocket Guide Issued to both U.S. Military Police and Vietnamese National and Military Police to enhance cooperation and understanding when operating combined patrols. The original size of the pocket guide was 4" x 5". Depicted at the top of the cover (left) is from left to right, 18th MP brigade Crest, Canh Sat (Vietnamese National Police) Crest, Quan Canh (Vietnamese Military Police) Patch.