style ranks and replaced them with American style ranks. On 16 August 2011, the Canadian Government restored the names of the Royal Canadian Navy, Canadian Army and Royal Canadian Air Force to the existing maritime, land and air commands; although the unified command and structure of the CF remains. Royal Canadian Army Medical Corps and Royal Canadian Dental Corps—became the Canadian Forces Medical Service and Canadian Forces Dental Service respectively; in 2001, the CFMS and CFDS, which were always closely associated administratively, formed a single operational formation, the Canadian Forces Health Services Group while the separate administrative branches remained intact under a single Director General Health Services. Royal Canadian Corps of Signals—became the Communications and Electronics Branch. In 2013 the army component of the branch regained the title Royal Canadian Corps of Signals. Royal Canadian Ordnance Corps amalgamated with supply and transport services of Royal Canadian Army Service Corps—became the Logistics Branch. Renamed in 2018 to Royal Canadian Logistics Service Royal Canadian Electrical and Mechanical Engineers—became Land Ordnance Engineering, then Electrical and Mechanical Engineering Branch, then back to Corps of Royal Canadian Electrical and Mechanical Engineers in 2013 Clerical trades of Royal Canadian Army Service Corps, Royal Canadian Army Pay Corps, and Royal Canadian Postal Corps—became the Administration Branch (later merged with the Logistics Branch, and as of 2018 is the Royal Canadian Logistics Service.) Canadian Provost Corps and Canadian Intelligence Corps—became the Security Branch. Both elements split apart in 1982 to the Security Branch and Intelligence Branch. In 2017, Army Intelligence Officers and Operators of the Intelligence Branch once more became members of the Canadian Intelligence Corps, which remains a part of the overall Intelligence Branch. Post-unification and the late-Cold War (1969–1991) In 1968, the new Liberal Prime Minister, Pierre Trudeau promised a re-evaluation of Canada's defence commitments and for a time in 1968–69 seriously considered pulling out of NATO. Ultimately, Trudeau chose to stay in NATO in order to maintain good relations with the United States and the western European states, all of whom would object if Canada were to leave NATO. On 3 April 1969, Trudeau announced in a speech the new priorities of the Canadian Forces in this order: The "surveillance" of Canada to provide protection against external and internal threats as the number one mission. Working in co-operation with the United States in the defence of North America as the number two mission. The defence