45 (The Royal Warwickshire Regiment) Searchlight Regiment RA(TA) formed in August 1940 by the transfer of 45 (The Royal Warwickshire Regiment) Anti-Aircraft Battalion Royal Engineers (TA) to the RA. The Regiment was converted to 122 Light Anti-Aircraft Regiment RA in February 1942. It was re-constituted as 580 (The Royal Warwickshire Regiment) Heavy Anti-Aircraft Regiment RA(TA) in January 1947.
|Aug 40||Formed from 45 Anti-Aircraft Battalion Royal Engineers|
|Aug 40||54 Anti-Aircraft Brigade, 11 Anti-Aircraft Division||West Midlands, UK|
|Feb 42||Became 122 Light Anti-Aircraft Regiment|
|Aug 40||378, 379, 380, 381|