| Conflict: | Convoy TAG.18 |
| Partof: | World War II |
| Date: | 2–8 November 1942 |
| Place: | Lesser Antilles, Caribbean Sea |
| Combatant1: | Germany |
| Combatant2: |  Canada    United Kingdom  |
| Commander1: | Admiral Karl Dönitz Kapitänleutnant Georg Lassen Hans-Ludwig Witt |
| Strength1: | 2 U-boats |
| Strength2: | 37 merchant ships 8 escorts |
| Casualties2: | 6 ships sunk |
Convoy TAG 18 was a trade convoy of merchant ships during the second World War. It was the 18th of the numbered TAG Convoys from Trinidad and Aruba to Guantánamo.[1] The convoy was shadowed from 1 to 4 November by skippered by Kapitänleutnant Georg Lassen (Knight's Cross with Oak Leaves) and joined on 5 November by – skippered by Hans-Ludwig Witt (Knight's Cross of the Iron Cross). The two U-boats sank six ships from the convoy.[2]
| Name[3] | Flag | Tonnage (GRT) | Notes |
|---|---|---|---|
| Acasta (1918) | | 5,229 | |
| Anna Knudsen (1931) | | 9,057 | |
| Ardmore (1913) | | 7,035 | Curaçao to Guantanamo Bay Naval Base |
| Astrell (1925) | | 7,595 | Ex Curaçao. Sunk by [4] on 5 Nov |
| Baron Elphinstone (1937) | 4,635 | ||
| Benjamin Bourn (1942) | | 7,176 | |
| Chr J Kampmann (1924) | | 2,281 | Sunk by [5] |
| Cities Service Kansas (1920) | | 7,641 | Curaçao to Guantanamo Bay Naval Base |
| City Of Lancaster (1924) | 3,041 | ||
| Clio (1935) | | 374 | Curaçao to Guantanamo Bay Naval Base |
| Domino (1919) | | 3,170 | |
| Eagle (1917) | | 6,003 | Curaçao to Guantanamo Bay Naval Base |
| Edward L Doheny (1913) | | 5,871 | Curaçao to Guantanamo Bay Naval Base |
| Empire Marvell (1941) | 9,812 | Curaçao to Guantanamo Bay Naval Base | |
| Errington Court (1925) | 4,913 | ||
| Esso Caracas (1913) | 4,323 | ||
| F H Bedford Jr (1930) | | 10,844 | Curaçao to Guantanamo Bay Naval Base |
| (1917) | | 5,965 | |
| Gulfpride (1927) | | 12,510 | Curaçao to Guantanamo Bay Naval Base |
| Gypsum Empress (1929) | 4,034 | Sunk by [6] | |
| Hanley (1920) | | 7,583 | Did Not Sail |
| Jupiter (1928) | | 1,464 | |
| Kaldfonn (1936) | | 9,931 | Curaçao to Guantanamo Bay Naval Base |
| Karmt (1938) | | 4,991 | |
| La Salina (1927) | 2,402 | ||
| Leda (1925) | | 8,546 | Sunk by,[7] Sank In Tow |
| Leonidas (1928) | | 4,573 | |
| Meton (1920) | | 7,027 | Sunk by [8] on 5 Nov |
| Moldova (1911) | | 4,083 | |
| Nishmaha (1919) | | 6,040 | |
| Pan Gulf (1918) | | 5,599 | |
| Paulsboro (1916) | | 6,699 | Curaçao to Guantanamo Bay Naval Base |
| Peter Hurll (1930) | | 10,871 | Curaçao to Guantanamo Bay Naval Base |
| Prins Maurits (1936) | | 1,287 | |
| St Clears (1936) | 4,312 | ||
| Thorshavet (1938) | 11,015 | Sunk by [9] | |
| USCG 6 | United States Coast Guard | Escort 4 Nov – 08 Nov | |
| USCG Colfax (WSC-133) | United States Coast Guard | Escort 4 Nov – 08 Nov | |
| USCG Rush (WSC-151) | United States Coast Guard | Escort 4 Nov – 08 Nov | |
| USS Lea (DD-118) | Escort 2 Nov – 08 Nov Destroyer | ||
| USS PCC-469 | Escort 2 Nov – 08 Nov | ||
| USS PC-495 | Escort 2 Nov – 08 Nov | ||
| USS PC-559 | Escort 2 Nov – 08 Nov | ||
| USS PC-561 | Escort 2 Nov – 08 Nov | ||
| Vulcanus (1907) | | 1,819 | |