page_title: 41st (London) Anti-Aircraft Brigade
section_title: Order of Battle 1939–40
hierarchical_section_title: 41st (London) Anti-Aircraft Brigade / Mobilisation / Order of Battle 1939–40
caption_attribution_description: English: 90cm Projector Anti-Aircraft, British, c.1940. At Fort Nelson, Hampshire, England. Height: 2.6m (8'6") Weight: 662kg (1,460lb) Crew: 9 Luminosity: 2 billion candlepower Ceiling: 8km (5 miles)
context_page_description: The 41st (London) Anti-Aircraft Brigade was an air defence formation of Anti-Aircraft Command in the British Territorial Army, formed shortly before the outbreak of World War II. Its role was to defend East Anglia.
context_section_description: By the outbreak of war on 3 September 1939, 41 AA Bde had the following units under command:
  32nd (7th City of London) Anti-Aircraft Battalion, Royal Engineers – searchlight unit formed in 1935 by conversion of 7th London Regiment and transfer to the Royal Engineers (RE)
  328, 329 & 330 AA Companies RE
  1/6th Battalion, Essex Regiment (64th Searchlight Regiment) – formed in 1938 by conversion of infantry battalion
  441, 442 & 443 AA Companies
  2/6th Battalion, Essex Regiment (65th Searchlight Regiment) – formed in 1938 by conversion of  duplicate infantry battalion
  444, 445 & 446 AA Companies
  78th (1st East Anglian) Heavy Anti-Aircraft Regiment, Royal Artillery – formed in 1938 by conversion of 84th (1st East Anglian) Field Regiment, RA
  243 (2nd Norfolk) AA Battery
  244 (3rd Norfolk) AA Battery
  245 (1st Norfolk) AA Battery
  409 (Suffolk) AA Battery
  41 AA Brigade Company Royal Army Service Corps
caption: 90 cm 'Projector Anti-Aircraft', displayed at Fort Nelson, Portsmouth
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