98 Anti-Aircraft Regiment RA (TA) was formed at Cheltenham, Gloucestershire in April 1939. It was re-designated as 98 Heavy Anti-Aircraft Regiment RA (TA) in June 1940. The Regiment served in Anti-Aircraft Command until coming under command of 2 Army in March 1944. It went to Normandy with 2 Army and fought through France to Antwerp in Belgium. The unit was placed in suspended animation in April 1946 in NW Europe. 98 Heavy Anti-Aircraft Regiment RA (TA) was reconstituted as 498 (Gloucestershire) 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.
| Apr 39 |  |
5 Anti-Aircraft Division, 46 Anti-Aircraft Brigade | UK |
| Sep 40 |  |
4 Anti-Aircraft Division, 44 Anti-Aircraft Brigade | Manchester, UK |
| May 42 |  |
8 Anti-Aircraft Division, 64 Anti-Aircraft Brigade | South West England |
| Mar 44 |  |
2 Army, 75 Anti-Aircraft Brigade | UK |
| Jun 44 | |
2 Army, 75 Anti-Aircraft Brigade | Normandy, France |
| Nov 44 | |
2 Army, 76 Anti-Aircraft Brigade | Antwerp, Belgium |
Batteries
| Apr 39 | 300, 301 |
| May 40 | 300, 301, 320 |
| Mar 41 | 300, 301, 320, 399 |
| Jul 42 | 300, 301, 320 |
Gun Sites Occupied
(Site – */* = old site/new site)
| Dates | Gun Site | Gun Defended Area |
| 1940 | B3/7 Rockingham Farm | Bristol |