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Supermarine Spitfire L.F. Mk. IX fighter in the markings of 421 Squadron, Royal Canadian Air Force

Type: Image

The Spitfire Mk. IX was the third-generation of Supermarine's famous fighter, and the final one equipped with a Rolls-Royce Merlin engine. The L.F. Mk. IX was an aircraft optimised for combat at lower altitudes - note the clipped wings shown in this photograph of a surviving example in the collection of the Canadian Aviation Museum. The aircraft bears the 'AU' code letters of 421 'Red Indian' Squadron, Royal Canadian Airforce. 421 Squadron was one of several Canadian fighter squadrons stationed in Europe. (Canadian Department of National Defence, PCN-5234)

Site: National Defence

Army Participation in Measures taken by the Three Services for the Security of the Gulf of St Lawrence and the Lower River during the Period of German Submarine Activity, 1942-45

Type: Document

This report discusses the measures taken by the Army to safeguard the civil population and vital installations in the Lower St. Lawrence region as a result of the incursion of German submarines into the Gulf and River in 1942. After Japanese forces struck at Pearl Harbour, the whole perspective of the war was changed and the Allied powers had to redistribute their naval resources to cover the new areas in the Pacific and Indian Oceans. The German enemy's response to this new situation was to mount more agressive U-boat attacks from the Atlantic and heading westward.

Site: National Defence

408 Tactical Helicopter Squadron

Type: Document

Like many Canadian air units formed during the Second World War, 408 'Goose' Tactical Helicopter Squadron has assumed various roles in its history. A brief profile is included in this resource along with a list of aircraft flown.

Site: National Defence

Enemy Air Action and the Canadian Army in the United Kingdom, 1939-43

Type: Document

This report is an account of the effect of enemy air action on units and men of the Canadian Army in the United Kingdom during the period 1939 – 1943, and of the part played by Canadian units in the defence of Britain against the enemy air force in those years.

Site: National Defence

429 Transport Squadron

Type: Document

429 'Bison' (Tactical Airlift) Transport Squadron began as a bomber unit in 1942 and is active today in the tactical transport role.

Site: National Defence

434 Combat Support Squadron

Type: Document

The 434 Squadron shows a wider variety of roles and more continuous history than many RCAF units. A list of aircraft the unit has flown is provided.

Site: National Defence

Bristol Bolingbroke IVT bomber

Type: Image

The Bristol Bolingbroke was a Canadian version of the British light bomber known as the Bristol Blenheim. Bolingbroke was the name given to the Canadian-built version of the Blenheim Mk. IV. Over 600 were built by the Fairchild plant at Longueuil, Quebec, starting in 1939. The Bolingbroke was the first modern, all aluminium aircraft built in Canada, but it was also obsolete before the first example flew. Nevertheless, for lack of anything better, the design was widely used. In July 1942, a Bolingbroke helped sink a Japanese submarine off British Columbia. The photograph shows a surviving Bolingbroke Mk IVT from the collection of the Canadian Aviation Museum. 457 of the Mk IVT were built and used as navigation and gunnery trainers (DND, PCN-5234)

Site: National Defence

423 Maritime Helicopter Squadron

Type: Document

423 'Eagle' Maritime Helicopter Squadron has assumed mainly maritime operational roles since inception in 1942. The aircraft flown by the squadron is listed here.

Site: National Defence

Air Force Roles

Type: Document

WW1 saw many innovations in strategic and night bombing, aerial combat tactics, and the support of ground troops. Non-military targeting became part of the military strategy for air warfare, a development that later influenced the course of the Second World War.

Site: National Defence

404 Maritime Patrol and Training Squadron

Type: Document

Like many "400" series squadrons 404 Maritime Patrol and Training Squadron has changed roles and aircraft during its history. A description of these changes is provided on this page.

Site: National Defence