156 (Mixed) Heavy Anti-Aircraft Regiment RA(TA) was formed in London in April 1942. It became a non-mixed Regiment in April 1946. The Regiment was considered a War Formed Regiment in January 1947 and re-designated as 112 Heavy Anti-Aircraft Regiment RA in April that year.
|Apr 42||Formed||London, UK|
|Apr 42||26 Anti-Aircraft Brigade, 1 Anti-Aircraft Division||London, UK|
|Apr 42||530 (Mixed), 532 (Mixed), 533 (Mixed), 535 (Mixed)|