40 (The Sherwood Foresters) Searchlight Regiment RA(TA) formed in August 1940 by the transfer of 40 (The Sherwood Foresters) Anti-Aircraft Battalion Royal Engineers (TA) to the RA. The Regiment was converted to 149 Light Anti-Aircraft Regiment RA in June 1943. It was re-constituted as 575 (6th Battalion The Sherwood Foresters) Light Anti-Aircraft Regiment RA(TA) in January 1947.
|Aug 40||Formed from 40 Anti-Aircraft Battalion Royal Engineers|
|Aug 40||39 Anti-Aircraft Brigade, 10 Anti-Aircraft Division||Scunthorpe, Lincolnshire, UK|
|May 43||103 Anti-Aircraft Brigade||Holywood, Co. Down, UK|
|Jun 43||Became 149 Light Anti-Aircraft Regiment|
|Aug 40||358, 359, 360, 361|
|May 43||358, 360, 361|