| 26-10-1942 |
Laid Down |
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| 30-10-1943 |
Launched |
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| 01-03-1944 |
Completed |
|
| 27-09-1944 |
HMS Thorough sinks a small Japanese vessel north of Sumatra. |
|
| 13-11-1944 |
HMS Thorough sinks a Japanese sailing vessel with gunfire in the Strait of Malacca. |
|
| 14-11-1944 |
HMS Thorough sinks two Japanese vessels and damages another with gunfire in the Strait of Malacca. |
|
| 19-11-1944 |
HMS Thorough lays mines in the Strait of Malacca. |
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| 22-11-1944 |
HMS Thorough sinks a Japanese sailing vessel with gunfire in the Strait of Malacca |
|
| 23-12-1944 |
HMS Thorough lays mines in the Strait of Malacca. |
|
| 29-12-1944 |
HMS Thorough sinks two Japanese sailing vessels of the west coast of Siam. |
|
| 01-01-1945 |
HMS Thorough sinks a Japanese sailing vessel with gunfire of the west coast of Siam. |
|
| 13-02-1945 |
HMS Thorough sinks a Japanese sailing vessel with gunfire of the west coast of Siam. |
|
| 14-02-1945 |
HMS Thorough sinks a Japanese sailing vessel and a Japanese coaster with gunfire of the west coast of Siam. |
|
| 15-02-1945 |
HMS Thorough sinks a Japanese sailing vessel with gunfire of the west coast of Siam. |
|
| 16-02-1945 |
HMS Thorough sinks three Japanese sailing vessels with gunfire of the west coast of Siam. |
|
| 18-02-1945 |
HMS Thorough sinks five Japanese sailing vessels with gunfire of the west coast of Siam. |
|
| 23-02-1945 |
HMS Thorough sinks two Japanese sailing vessels, a coaster and a barge with gunfire of the west coast of Siam. |
|
| 24-02-1945 |
HMS Thorough sinks three Japanese sailing vessels with gunfire of the west coast of Siam. |
|
| 28-02-1945 |
HMS Thorough sinks two Japanese sailing vessels with gunfire of the west coast of Siam. |
|
| 02-04-1945 |
HMS Thorough sinks a small Japanese gunboat with gunfire off the Nicobar Islands. |
|
| 10-04-1945 |
HMS Thorough sinks a Japanese coaster with gunfire of the west coast of Sumatra, Netherlands East Indies. |
|
| 03-06-1945 |
HMS Thorough sinks two Japanese coasters with gunfire off Tenggol Island. |
|
| 05-06-1945 |
HMS Thorough sinks a Japanese coaster with gunfire off Tenggol Island. |
|
| 17-06-1945 |
HMS Thorough sinks a Japanese trawler and a Japanese sailing vessel off Surabaya, Java, Netherlands East Indies. |
|
| 01-08-1945 |
HMS Thorough sinks a Japanese coaster and a sailing vessel with gunfire off northern Bali. |
|
| 02-08-1945 |
HMS Thorough sinks a Japanese sailing vessel with gunfire off Bali. |
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| 04-08-1945 |
HMS Thorough sinks a Japanese coaster with gunfire off Bali. |
|
| 12-08-1945 |
HMS Thorough sinks the Malaysian sailing vessel Palange with gunfire off Bali. |
|
| 16-12-1957 |
HMS Thorough returns to Dolphin after completing the first circumnavigation by a submarine. |
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