Navy Miniature Submarine Engineering Duty Insignia SBBA~Double~6572_LTG-EL First proposed in 1931 by

First proposed in 1931 by General Douglas MacArthur

Two rear inserted pockets with snag proof pocket flaps

unless given one by the commanding officer

Navy Reserve Medal

Navy Miniature Submarine Engineering Duty Insignia SBBA~Double~6572_LTG-EL First proposed in 1931 byUnited States Navy Miniature Submarine Engineering Duty Insignia Criteria: The insignia is issued to Engineering Duty Officers who have been designated as qualified in submarines through a program administered by the Naval Sea Systems Command. The badge is a variation of the Submarine Warfare insignia and portrays a propeller blade (Engineering Duty Officers Community insigina) flanked by two dolphins (Submarine Warfare Community insignia). The