74 (Essex Fortress) Searchlight Regiment RA(TA) formed in August 1940 by the transfer of 74 (Essex Fortress) Anti-Aircraft Battalion Royal Engineers (TA) to the RA. The Regiment was converted to 74 Garrison Regiment RA in November 1944 and became 613 Infantry Regiment RA in February 1945. It was re-constituted as 609 (Tottenham) (Mixed) Heavy Anti-Aircraft Regiment RA(TA) in January 1947.
|Aug 40||Formed from 74 Anti-Aircraft Battalion Royal Engineers|
|Aug 40||Became RA – 29 Anti-Aircraft Brigade||East Anglia, UK|
|Dec 41||60 Anti-Aircraft Brigade, 8 Anti-Aircraft Division||South West England|
|Oct 42||60 Anti-Aircraft Brigade, 3 Anti-Aircraft Group||South West England|
|Nov 44||Became 74 Garrison Regiment RA|
|Aug 40||310, 335, 469|