55 (Kent) Heavy Anti-Aircraft Regiment RA (TA) was re-designated as 55 (Kent) Anti-Aircraft Regiment RA (TA) from 55 Anti-Aircraft Brigade RA (TA) in January 1939. It was re-designated as Heavy Anti-Aircraft in June 1940. The Regiment was placed in suspended animation in February 1946 and re-formed as a cadre the following month. 55 (Kent) Heavy Anti-Aircraft Regiment RA (TA) was re-formed as a War Formed Regiment and designated 73 Heavy Anti-Aircraft Regiment RA in April 1947. The TA unit reconstituted as 455 (Kent) (M) 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, 28 Anti-Aircraft Brigade||Thames Estuary, UK|
|Sep 41||11 Anti-Aircraft Division, 34 Anti-Aircraft Brigade||Birmingham, UK|
|Oct 41||War Office Reserve||UK|
|Nov 42||PAI Force (GHQ Persia & Iraq)||Iraq|
|Apr 43||Middle East Forces||N Africa|
|Jul 43||15 Army Group||Sicily|
|Jul 43||Allied Forces HQ, 73 Anti-Aircraft Brigade||Augusta, Sicily|
|Oct 43||Allied Forces HQ, 52 Anti-Aircraft Brigade||Foggia, Italy|
|Nov 43||Allied Forces HQ, 66 Anti-Aircraft Brigade||Salerno, Italy|
|May 44||Allied Forces HQ, 66 Anti-Aircraft Brigade||Anzio, Italy|
|Jan 45||8, Army, 12 Anti-Aircraft Brigade||Italy|
|Sep 39||163 (Kent), 166 (City of Rochester), 307, 308|
|Jul 41||163 (Kent), 166 (City of Rochester), 307, 418|
|Dec 41||163 (Kent), 166 (City of Rochester), 307|