44 (The Leicestershire Regiment) Searchlight Regiment RA(TA) formed in August 1940 by the transfer of 44 (The Leicestershire Regiment) Anti-Aircraft Battalion Royal Engineers (TA) to the RA. The Regiment was converted to 121 Light Anti-Aircraft Regiment RA in January 1942. It was re-constituted as 579 (The Royal Leicestershire Regiment) Light Anti-Aircraft Regiment RA(TA) in January 1947.
|Aug 40||Formed from 44 Anti-Aircraft Battalion
|Woodhall Spa, Lincolnshire, UK|
|Aug 40||32 Anti-Aircraft Brigade||East Midlands, UK|
|Jan 42||Became 121 Light Anti-Aircraft Regiment|
|Aug 40||374, 375, 376, 377|