 From 1948 onwards the barracks mainly served as a training venue for the Citizen Military Forces, which then became the Australian Army Reserves.In 1935 the land now occupied by the Army Store was ceded to the Royal Australian Navy, which built its own store in a simple Functionalist style.In 1956 the timber signal station, on the top of Cantonment Hill, was replaced by a masonry signal station, for use by the Fremantle Harbour Trust Commission.