137 Field Regiment RA (TA) was formed as a duplicate of 88 Field Regiment in June 1939 with two batteries . In March 1941 a third battery was formed. The Regiment went into suspended animation in February 1942 after capture in Singapore. 137 Field Regiment RA (TA) re-constituted as 337 (2nd West Lancashire) 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.
(Title of (2nd West Lancashire) authorised February 1942 but not used due to capture in Singapore)
| Jun 39 |  |
Western Command | Blackpool, Lancashire, UK – as an Army Field Regiment |
| Apr 40 |  |
42 Infantry Division | Oulton Park, Cheshire, UK |
| Jun 40 | |
42 Infantry Division | Liverpool, Merseyside, UK |
| Nov 40 | Home Forces | Larkhill, Wiltshire, UK | |
| Nov 41 |  |
11 Indian Division | Kajang, Malaya |
| Dec 41 |  |
Malaya Command | Sungei Patani, Malaya |
| Dec 41 | |
Malaya Command | Slim River, Malaya |
| The regiment ceased to exist as a unit, groups making their way back to Singapore. 350 Battery made its way to Malacca where it was re-equipped and joined 155 Field Regiment. Those making it to Singapore were transferred to 88 Field Regiment. |
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| 15 Feb 42 | Captured at Singapore | Into suspended animation | |
Batteries
| Jun 39 | 349 (9th West Lancashire), 350 (10th West Lancashire) |
| Mar 41 | 349, 350, 501 |
Equipment
| Nov 41 | 24 x 25 pdrs |
| Jan 42 | 8 x 75mm Howitzers |