Cap Badge - Canadian Field Artillery (Officer's badge) The Canadian Artillery and the Garrison Artillery were the designations of the Non-Permanent Active Militia as of 1 January 1914. The Canadian Artillery and the Garrison Artillery were collectively redesignated the Royal Canadian Artillery on 3 June 1935. The Field Artillery was the most numerous arm of the artillery, the horse-drawn RFA was responsible for the medium calibre guns and howitzers deployed close to the front line and was reasonably mobile. It was organised into brigades.