141 (Mixed) Heavy Anti-Aircraft Regiment RA (TA) was formed at Croydon in December 1941. It became a non-mixed Regiment in February 1946. The Regiment served in Anti-Aircraft Command for its entire war. 141 (Mixed) Heavy Anti-Aircraft Regiment RA (TA) was considered a War Formed Regiment in January 1947 at White Abbey, Belfast and re-designated as 99 Heavy Anti-Aircraft Regiment RA in April that year.
Illustrations of the formation badges under which a unit served or supported are given. This is no guarantee that the unit used this formations badge.
|Dec 41||Formed||Croydon, London|
|Dec 41||1 Anti-Aircraft Division, 48 Anti-Aircraft Brigade||London, UK|
|Jan 42||1 Anti-Aircraft Division, 49 Anti-Aircraft Brigade||London, UK|
|Dec 43||7 Anti-Aircraft Group||Belfast|
|Jan 42||486, 489, 490|
|Mar 42||486, 490, 493, 499|
|Feb 44||486, 490, 493|