154 (Mixed) Heavy Anti-Aircraft Regiment RA(TA) was formed in West Derby, Liverpool in March 1942. It became a non-mixed Regiment in August 1945. The Regiment was considered a War Formed Regiment in January 1947 and re-designated as 110 Heavy Anti-Aircraft Regiment RA in April that year.
| Mar 42 | Formed | Liverpool, Merseyside, UK |
| May 42 | 33 Anti-Aircraft Brigade, 4 Anti-Aircraft Division | Liverpool, Merseyside, UK |
| Oct 42 | 33 Anti-Aircraft Brigade, 4 Anti-Aircraft Group | Liverpool, Merseyside, UK |
| Oct 43 | 35 Anti-Aircraft Brigade, 2 Anti-Aircraft Group | South East England |
| Feb 45 | 37 Anti-Aircraft Brigade, 9 Anti-Aircraft Group | East Anglia, UK |
| Aug 45 | Re-organised as a non-mixed regiment |
Batteries
| Mar 42 | 522 (Mixed), 526 (Mixed), 552 (Mixed), 560 (Mixed) |
| Jan 45 | 522 (M, )526 (M) |
| Feb 45 | 522 (M), 526 (M), 539 (M) |
