37th Anti-Aircraft Brigade (United Kingdom)

37th Anti-Aircraft Brigade 63rd Anti-Aircraft Brigade
Active	1938–1967
Country	United Kingdom
Branch	Territorial Army
Type	Anti-Aircraft Brigade
Role	Air Defence
Part of	6th AA Division 1 AA Group
Garrison/HQ	Edmonton Shepherd's Bush
Engagements	The Blitz

The 37th Anti-Aircraft Brigade was an air defence formation of Britain's Territorial Army (TA) formed just before the outbreak of World War II. It was engaged in defending the Thames Estuary during the war, and continued to form part of Anti-Aircraft Command in the postwar era.

As international tensions rose in the late 1930s, Britain's Anti-Aircraft (AA) defences were strengthened with new Royal Artillery (RA) regiments. 37th AA Brigade was raised on 1 May 1938, with its HQ at Edmonton in North London, to control some of these AA units in the London area. In 1939 it joined the newly formed 6th AA Division based at Uxbridge, which had responsibility for air defence of the Thames Estuary, Essex and North Kent, and the approaches to London.

On formation, 37th AA Bde had the following composition:

Anti-Aircraft Command, which had been formed within the Territorial Army earlier in the year, mobilised in late August 1939 and was at its stations before war was declared on 3 September. By then, a further newly formed regiment had been added to 37th AA Bde's order of battle:

In November 1939, 79th (Herts Yeomanry) AA Rgt was detached from the brigade and joined 3rd AA Bde on the lines of communication for the British Expeditionary Force in France. After the Dunkirk Evacuation the regiment was assigned to a different formation in the UK.

In April 1940, 82nd (Essex) AA Rgt was detached from the brigade and served in the Norway Campaign; after evacuation from Norway it was sent to join the garrison of Gibraltar.

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