skos:altLabel | - 27 (Home Counties) AA Bde
- 27 (Home Counties) AA Gp
- 27 AA Bde
- 27th (Home Counties)
- 27th (Home Counties) AA Bde
- 27th (Home Counties) AA Brigade
- 27th (Home Counties) AA Group
- 27th (Home Counties) Anti-Aircraft Group
- 27th (Home Counties) Brigade
- 27th (London) Air Defence Brigade
- 27th AA Bde
- 27th Air Defence Brigades
- 27th Anti-Aircraft Brigade
- 53 (Home Counties) AA Brigade
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