The Militia Medical Service was established in 1898. The Militia Medical Service was redesignated as a Corps on 2 July 1904; the regular component as "Permanent Active Militia Medical Corps" and the militia component as "Militia Army Medical Corps in 1904. Both components were redesignated "Canadian Army Medical Corps" on 1 May 1909. The regular component was redesignated "The Royal Canadian Army Medical Corps" on 3 November 1919; the militia component "Royal Canadian Army Medical Corps" on 29 April 1936.