Cap Badge - 165th (Moncton, New Brunswick) Battalion, CEF also known as the 165th (French Acadian) Battalion, CEF. The 165th (French Acadian) Battalion, CEF was a unit in the Canadian Expeditionary Force during the First World War. Based in Moncton, New Brunswick, the unit began recruiting in late 1915 throughout the Maritime provinces. After sailing to England in March 1917, the battalion was absorbed into the 13th Reserve Battalion on April 7, 1917. The 165th Battalion is perpetuated by The Royal New Brunswick Regiment.