The BT-1R also known as the Type-67 or T-34-85 Medium Tank is a medium tank that was in usage with the Irish Citizens Army from (1946 - 1967) before being replace by the BT-2R MBT (main battle tank), The Irish Citizens Expeditionary Forces which mostly used outdated and surplus equipment made full use of it during the Shino-Vietnamese War and later the Irish-Empire War, and the brief Irish-Japanese War (20xx CE)