13 Mobile Coast Regiment RA was formed in Malta, in September 1940 by conversion of 26 Anti-Tank Regiment. The Regiment was initially titled 13 Mobile Coast Defence Regiment but the “Defence” part was dropped in December 1940. The Regiment was converted to 17 Defence Regiment in February 1941.
| Sep 40 | Formed from 26 Anti-Tank Regiment as 13 Mobile Coast Defence Regiment |
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| Dec 40 | Malta Command – re-designated 13 Mobile Coast Regiment | Malta |
| Feb 41 | Became 17 Defence Regiment |
Batteries
| Dec 40 | 15, 40, 48, 71 |
