11th Battalion London Regiment (Finsbury Rifles) (TA) was converted in December 1935 as 61 (Finsbury Rifles) Anti-Aircraft Brigade RA (TA). It was re-designated as 61 (Middlesex) Anti-Aircraft Brigade RA (TA) in October 1938 and became 61 (Middlesex) Anti-Aircraft Regiment in January 1939. It was re-designated 61 (Middlesex) Heavy Anti-Aircraft Regiment RA (TA) in June 1940. The Regiment was placed in suspended animation in September 1945. 61 (Middlesex) Heavy Anti-Aircraft Regiment RA (TA) was reconstituted as 461 (Middlesex) Heavy Anti-Aircraft Regiment RA (TA) in January 1947.
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.
|Sep 39||6 Anti-Aircraft Division, 37 Anti-Aircraft Brigade||Thames North, UK|
|Dec 41||10 Army, 8 Anti-Aircraft Brigade||Persia (Iran) & Iraq|
|Mar 42||Middle East Forces||Suez Canal, Egypt|
|Oct 42||8 Army, 17 Anti-Aircraft Brigade||Egypt|
|Jan 43||8 Army, 17 Anti-Aircraft Brigade||Tobruk, Libya|
|Feb 43||Diluted by African Pioneer Corps men|
|Mar 43||8 Army||Tripoli, Libya|
|Sep 43||8 Army, 73 Anti-Aircraft Brigade – RHQ, 170 & half 171 Batteries||Milazzo, Sicily|
|Jan 44||8 Army, 73 Anti-Aircraft Brigade||Augusta, Sicily|
|Sep 44||Allied Forces HQ, 25 Anti-Aircraft Brigade||Apulia, Italy|
|Dec 44||Allied Forces HQ, 22 Anti-Aircraft Brigade||Apulia, Italy|
|Apr 45||Allied Forces HQ, 66 Anti-Aircraft Brigade||Genoa, Italy|
|Sep 39||170, 171, 195|