Established by the Order of Minister of War No.34 on May 10, 1944.
Badge was Intended for the personnel of IJA Shipping Сommand special ships (like army special attack boats "Maru-ni", explosive boat "Shinyo", 1944 submarine-chaser "Karo-Tei" and Type 3 submergence transport vehicles)...
armyshippingcommandarmyshippingcommandspecialbreastbadge
imperial japan army maritime advance squadron
japanese army maritime advance squadron badge
japanese armyspecial attack boat badge
船舶用特別胸章