70 Anti-Tank Regiment RA(TA) was formed as a duplicate of 60 Anti-Tank Regiment with four batteries in 1939. The Regiment was put in suspended animation in January 1946 at Conway and in January 1947 it was disbanded.
Granted title 70 (Royal Welch Fusiliers) Anti-Tank Regiment February 1942
| 3 Sep 39 | Western Command | Mold, Flintshire, UK |
| Oct 39 | 38 Infantry Division | UK |
| Sep 40 | 278 & 279 Batteries left to form 71 Anti-Tank Regiment | |
| Jul 44 | Home Forces | UK |
| Sep 44 | 38 Infantry Reserve Division | UK |
Batteries
| 3 Sep 39 | 277, 278, 279, 280 |
| Sep 40 | 277, 280, 281, 282 |
| Oct 41 | 106, 277, 280, 282 |
| May 42 | 106, 277, 280 |
| Jun 43 | 106, 277, 280, 335 |
| Dec 44 | 106, 277, 280, 335, 352 |
