40th Anti-Aircraft Brigade
…by conversion of 84th (1st East Anglian) Field Regiment, RA 243 HAA Bty 244, 409 HAA Btys – attached to 32 (Midland) AA Bde 245 HAA Bty – attached to 41 (London) AA Bde 30th Light AA Regiment, RA – newly raised in August 1939, joined 40 AA Bde October 1939; one Troop deployed to each of 10 RAF stations 117, 118, 120…