Allied Warships

Events on this day

18 September

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This page is our compilation of data from several different databases. All data shown here is dynamic, but is accurate according to the information we have right now. Although content is still being added daily, more than 75% of the launched and commissioned data is already in place, so this section is almost complete.

Quick links: War losses - General events

The Shipyard Report


Laid down (34)

1917: US Navy Destroyer Dorsey (DMS 1) - US Navy Destroyer Lea (DD 118)

1926: French Navy Destroyer Basque

1933: Royal Navy Submarine Snapper (N 39)

1939: US Navy Oiler Sabine (AO 25)

1941: Royal Canadian Navy Minesweeper Sarnia (J 309) - Royal Navy Minesweeper BYMS 2009 (J 809) - Royal Navy Minesweeper BYMS 2010 (J 810) - Royal Navy Submarine Usurper (P 56) - US Navy Submarine chaser SC-654 (SC-654)

1942: Royal Canadian Navy Landing Craft Infantry LCI(L)-252 (LCI(L)-252) - Royal Navy Landing Craft Infantry LCI(L)-253 (LCI(L)-253) - Royal Navy Landing Craft Infantry LCI(L)-254 (LCI(L)-254) - US Navy Landing Craft Infantry LCI(L)-253 (LCI(L)-253) - US Navy Landing Craft Infantry LCI(L)-254 (LCI(L)-254) - US Navy Landing craft tank LCT 204 (LCT 204) - US Navy Landing craft tank LCT 33 (LCT 33) - US Navy Landing craft tank LCT 457 (LCT 457) - US Navy Tank landing ship LST 458 (LST 458) - US Navy Motor torpedo boat PT 167

1943: Royal Navy Landing Craft Infantry LCI(L)-487 (LCI(L)-487) - US Navy Landing Craft Infantry LCI(L)-487 (LCI(L)-487) - US Navy Tank landing ship LST 508 (LST 508) - US Navy Frigate Muskogee (PF-49) - US Navy Patrol craft PGM-10 (PGM-10) - US Navy Minesweeper YMS-420 (YMS-420)

1944: US Navy Destroyer Goodrich (DD 831) - US Navy Landing Craft Infantry LCI(L)-880 (LCI(L)-880) - US Navy Landing craft support LCS(L)-41 (LCS(L)-41) - US Navy Landing craft support LCS(L)-42 (LCS(L)-42) - US Navy Landing craft tank LCT 1392 (LCT 1392) - US Navy Medium landing ship LSM 447 (LSM 447) - US Navy Tank landing ship LST 861 (LST 861) - US Navy Oiler Tamalpais (AO 96)

Launched (45)

1917: Royal Navy MS Trawler Force

1919: US Navy Fleet tug Umpqua (AT 25)

1932: French Navy Colonial sloop Rigault de Genouilly

1935: Royal Navy Destroyer Grafton (H 89)

1936: US Navy Destroyer Fanning (DD 385)

1939: Royal Navy Minelayer M 2 (M 34)

1940: Royal Navy Corvette Begonia (K 66) - Royal Navy Light cruiser Sirius (82) - US Navy Corvette Impulse (PG-68) - US Navy Oiler Salamonie (AO 26)

1941: Royal Canadian Navy Corvette Port Arthur (K 233)

1942: US Navy Landing craft tank LCT 152 (LCT 152) - US Navy Landing craft tank LCT 314 (LCT 314) - US Navy Landing craft tank LCT 316 (LCT 316) - US Navy Landing craft tank LCT 452 (LCT 452) - US Navy Tank landing ship LST 446 (LST 446) - US Navy Submarine chaser SC-682 (SC-682) - US Navy Submarine chaser SC-985 (SC-985)

1943: Royal Canadian Navy Destroyer Micmac (R 10) - Royal Canadian Navy Frigate Orkney (K 448) - Royal Canadian Navy Frigate Toronto (K 538) - Royal Canadian Navy Corvette Whitby (K 346) - Royal Navy Frigate Curzon (K 513) - Royal Navy Frigate Dakins (K 550) - Royal Navy Minesweeper Regulus (ii) (J 327) - US Navy Minesweeper Gavia (AM 363) - US Navy Landing Craft Infantry LCI(L)-469 (LCI(L)-469) - US Navy Landing craft tank LCT 513 (LCT 513) - US Navy Landing craft tank LCT 527 (LCT 527) - US Navy Landing craft tank LCT 528 (LCT 528) - US Navy Landing craft tank LCT 580 (LCT 580) - US Navy Patrol craft PC-1177 (PC-1177) - US Navy Patrol craft PC-1248 (PC-1248) - US Navy Patrol craft PC-801 (PC-801) - US Navy Patrol craft PCS-1389 (PCS-1389) - US Navy Motor torpedo boat PT 557 - US Navy Minesweeper Ransom (AM 283) - US Navy Destroyer Ross (DD 563) - US Navy Submarine chaser SC-1340 (SC-1340) - US Navy Fleet tug Takelma (ATF 113)

1944: US Navy Landing craft tank LCT 1275 (LCT 1275) - US Navy Landing craft tank LCT 1431 (LCT 1431) - US Navy Tank landing ship LST 729 (LST 729) - US Navy Motor torpedo boat PT 634

1945: US Navy Motor torpedo boat PT 622

Commissioned (54)

1919: Royal Navy Destroyer Wanderer (D 74) - US Navy Fleet tug Bagaduce (AT 21)

1924: US Navy Repair ship Medusa (AR 1)

1934: French Navy Submarine Atalante - French Navy Submarine La Vestale

1936: US Navy Destroyer Mahan (DD 364) - US Navy Destroyer Perkins (DD 377) - US Navy Destroyer Shaw (DD 373)

1939: Royal Navy Armed Merchant Cruiser Salopian (F 94) - US Navy Light cruiser Helena (i) (CL 50)

1940: Royal Navy Escort destroyer Cleveland (L 46) - Royal Navy Motor Launch ML 115 (ML 115) - US Navy Destroyer Mayo (DD 422)

1941: Royal Navy Motor Launch ML 285 (ML 285) - Royal Navy Motor Launch ML 290 (ML 290) - Royal Navy Motor minesweeper MMS 44 (J 544) - US Navy Minesweeper Detector (AMc-75) - US Navy Net tender Mango (AN 24)

1942: Royal Canadian Navy Minesweeper Milltown (J 317) - Royal Navy Harbour Defence Motor Launch HDML 1135 (ML 1135) - Royal Navy Harbour Defence Motor Launch HDML 1164 (ML 1164) - Royal Navy Landing Craft Tank LCT 348 (LCT 348) - Royal Navy Motor Gun Boat MGB 108 (MGB 108) - Royal Navy Motor Torpedo Boat MTB 238 (MTB 238) - Royal Navy Motor Torpedo Boat MTB 418 (MTB 418) - Royal Navy Destroyer Musketeer (G 86) - US Navy Destroyer Edwards (ii) (DD 619) - US Navy Destroyer Gillespie (DD 609) - US Navy Submarine Gurnard (254) - US Navy Landing craft tank LCT 133 (LCT 133) - US Navy Submarine Scamp (277)

1943: Royal Navy Frigate Avon (K 97) - Royal Navy MS Trawler Bardsey (T 273) - Royal Navy Frigate Gould (K 476) - Royal Navy Corvette Hadleigh Castle (K 355) - Royal Navy Motor Torpedo Boat MTB 710 (MTB 710) - US Navy Destroyer Escort Brough (DE 148) - US Navy Dock landing ship Carter Hall (LSD 3) - US Navy Destroyer David W. Taylor (DD 551) - US Navy Destroyer Escort Fleming (DE 32) - US Navy Landing Craft Infantry LCI(L)-371 (LCI(L)-371) - US Navy Patrol craft PC-1212 (PC-1212)

1944: Royal Navy Harbour Defence Motor Launch HDML 1463 (ML 1463) - Royal Navy Landing Craft Tank LCT 738 (LCT 738) - United States Coast Guard Icebreaker Westwind (WAGB 281) - US Navy Light cruiser Duluth (CL 87) - US Navy Minesweeper Invade (AM 254) - US Navy Landing Craft Infantry LCI(L)-713 (LCI(L)-713) - US Navy Tank landing ship LST 640 (LST 640) - US Navy Tank landing ship LST 765 (LST 765) - US Navy Tank landing ship LST 788 (LST 788) - US Navy Destroyer Escort Pratt (DE 363) - US Navy Minesweeper YMS-410 (YMS-410)

1945: US Navy Tank landing ship LST 1133 (LST 1133)

Legend:

Laid down means that the ship's construction was officially started by laying down the keel (often just a single steel beam but could also mean the first of many pre-fabricated sections).

Launched means that the ship was launched from its shipyard, it then began its fitting out period (installation of smaller systems, weapons etc.) - in many yards the ships were launched very complete and needed little work afterwards.

Commissioned is when the navy takes the ship officially over and gives command of it to its new captain.

War Losses on 18 September (0)


No allied warships were lost in action on this date.

More information on Allied Warships losses.


General Events on 18 September


Royal Australian Navy Armed Yacht HMAS Adele: Franklin was decommissioned on 18 September 1922 and gifted to the Administrator of Papua-New Guinea, serving there until 1929.

1939

Royal Navy Heavy cruiser HMS Dorsetshire: HMS Dorsetshire (Capt. B.C.S. Martin, RN) arrived at Hong Kong.

Royal Dutch Navy Light cruiser HNMS Tromp: HrMs Tromp (Capt. J.W. Termijtelen, RNN) briefly anchored off Tjilatjap (Cilacap), Java, Netherlands East Indies before proceeding towards Batavia (Jakarta).

Royal Navy Submarine HMS Parthian: HMS Parthian (Lt.Cdr. M.G. Rimington, RN) ended her 1st war patrol at Singapore. With the exception of an Italian ship and a Dutch cruiser nothing out of the ordinary was seen as the German ships appeared to have already left Sabang.

Royal Navy Submarine HMS Sealion: HMS Sealion (Lt.Cdr. B. Bryant, RN) conducted exercises off Malta together with HMS Porpoise (Cdr. G.W.G. Simpson, RN) and HMS Shark (Lt. P.N. Buckley, RN).

Royal Navy Submarine HMS Shark (i): HMS Shark (Lt. P.N. Buckley, RN) conducted exercises off Malta.

Royal Navy Submarine HMS Salmon: HMS Salmon (Lt.Cdr. E.O. Bickford, RN) conducted exercises off Alexandria.

Royal Navy Submarine HMS Triad: HMS Triad (Lt.Cdr. R.McC.P. Jonas, RN) arrived at Portsmouth to begin a period of trials and training.

Royal Navy Submarine HMS H 31: HMS H 31 (Lt.Cdr. W.R. Fell, OBE, RN) conducted A/S exercises off Portland with HMS Vanoc (Lt.Cdr. J.G.W. Deneys, RN) and HMS Jaguar (Lt.Cdr. J.F.W. Hine, RN).

Royal Navy Submarine HMS H 34: HMS H 34 (Lt. B.T. Simons, RN) departed Harwich for Rosyth.

Royal Navy Submarine HMS H 49: HMS H 49 (Lt. E.F. Balston, RN) participated in A/S exercises off Portland.

Polish Navy Submarine ORP Rys: Rys entered Swedish coastal waters near the port of Stavn?s and was confined for the duration of the war.

1940

Royal Navy Heavy cruiser HMS Dorsetshire: HMS Dorsetshire (Capt. B.C.S. Martin, RN) departed Durban for Simonstown.

Royal Dutch Navy Submarine HNMS O 14: HrMs O 14 (Lt.Cdr. H. Tichelman, RNN) arrived at Bermuda.

Royal Navy Submarine HMS Otway: HMS Otway (Lt. E.D. Norman, RN) conducted exercises in the Clyde area.

Royal Navy Submarine HMS Otus: HMS Otus (Lt.Cdr. E.C.F. Nicolay, RN) was undocked.

Royal Navy Submarine HMS Perseus (i): HMS Perseus (Lt.Cdr. P.J.H. Bartlett, RN) was undocked.

Royal Navy Submarine HMS Talisman: HMS Talisman (Lt.Cdr. P.S. Francis, RN) departed from Falmouth for Portsmouth. She was escorted by HMS St. Kenan (T/Lt. H.J. Beverley, RNR).

Royal Navy Submarine HMS Upright: HMS Upright (Lt. F.J. Brooks, RN) conducted torpedo discharge trials off Arrochar.

Royal Navy Submarine HMS H 31: HMS H 31 (Lt. R.E. Coltart, RN) conducted A/S exercises off Campbeltown with HMS Lady Sharazad (Cdr.(Retd.) A.G. Venables, RN) and HMS Shemara (Cdr.(Retd.) H. Buckle, RN)

Royal Navy Submarine HMS H 32: HMS H 32 (Lt. J.L. Livesey, RN) departed Tobermory for Rothesay. She was escorted by HMS Surprise (Capt.(Retd.) E.Stubbs, RN).

Royal Navy Submarine HMS H 33: HMS H 33 (Lt. R.S. Brookes, DSC, RN) participated in A/S exercises off Tobermory.

Royal Navy Submarine HMS H 34: HMS H 34 (Lt. L.W. Napier, RN) conducted A/S exercises of Campbeltown with HMS Carina (Cdr.(Retd.) T.St.V.F. Tyler, RN) and HMS Tuscarora (Capt.(Retd.) E.C. Stubbs, RN).

Royal Navy Submarine HMS H 50: HMS H 50 (Lt. A.R. Cheyne, RN) conducted A/S exercises off Tobermory with HMS Primula (Lt.Cdr. K.M. Drake, RNR) and HMS Heliotrope (Lt.Cdr. J. Jackson, RNR).

Royal Navy Destroyer HMS Hurricane: HMS Hurricane (Lt.Cdr. H.C. Simms, RN) picks up 105 survivors from the British passenger ship City of Benares that was torpedoed and sunk by German U-boat U-48 253 nautical miles west-south-west of Rockall in position 56°43'N, 21°15'W. HMS Hurricane also picks up 20 survivors from the British merchant Marina that was also torpedoed and sunk by German U-boat U-48 253 nautical miles west-south-west of Rockall in position 56°46'N, 21°15'W.

Polish Navy Destroyer ORP Garland: Garland left the convoy she was escorting and joined the escort of another convoy (from Cape town to England).

Royal Navy Submarine HMS L 26: HMS L 26 (Lt. J.B. de B. Kershaw, RN) is undocked.

1941

Royal Navy Heavy cruiser HMS Dorsetshire: HMS Eagle (Capt. E.G.N. Rushbrooke, DSC, RN) and HMS Dorsetshire (Capt. A.W.S. Agar, VC, DSO, RN) departed St. Helena to continue their patrol in the South Atlantic.

Royal Dutch Navy Submarine HNMS O 23: HrMs O 23 (Lt.Cdr. G.B.M. van Erkel, RNN) departs Holy Loch for Dundee. She is escorted by the British armed yacht HMS Cutty Sark (Cdr.(Retd.) R.H. Mack, RN).

Royal Dutch Navy Submarine HNMS O 10: HrMs O 10 (Lt. Baron D.T. Mackay, RNN) participated in A/S exercises off Scapa Flow with HMS Impulsive (Lt.Cdr. W.S. Thomas, DSC, RN).

Royal Navy Submarine HMS Ursula: HMS Ursula (Lt. A.R. Hezlet, RN) attacked the Italian troop transport Vulcania (24469 GRT, built 1928) about 30 nautical miles East of Tripoli, Libya in approximate position 32°55'N, 13°52'E. Four torpedoes were fired but all missed their target although it was thought that one hit was obtained. (All times are zone -2) 0656 hours - Sighted a large transport with a Navigatori-class destroyer as escort. [This was most likely Antoniotto Usodimare.] 0705 hours - In approximate position 32°55'N, 13°52'E fired four torpedoes from 3500 yards. It was thought the one hit was obtained but this was not the case. No counter attack developed.

Royal Navy Submarine HMS Unbeaten: At 0307 hours, the convoy was sighted at a distance of eight miles and Unbeaten made an enemy report. At 0652 hours, a large liner, later identified as Oceania, was seen lying stopped. Unbeaten closed to attack but was put down by destroyers. HMS Upholder (Lt.Cdr. M.D. Wanklyn, DSO, RN) managed to finish her off before Unbeaten could intervene.

Royal Navy Submarine HMS Oberon: HMS Oberon (Lt.Cdr. E.F. Pizey, DSC, RN) conducted exercises in the Clyde area for the C.O.Q.C. (Commanding Officers Qualifying Course) with HMS Breda (Capt.(Retd.) A.E. Johnston, RN).

Royal Navy Submarine HMS Otus: HMS Otus (Lt. R.M. Favell, RN) conducted exercises off Alexandria.

Royal Navy Submarine HMS Severn: HMS Severn (Lt.Cdr. A.N.G. Campbell, RN) conducted A/S exercises off Gibraltar together with HMS Azalea (Lt. G.C. Geddes, RNR) and HMS Fleur de Lys (Lt. (Retd.) A. Collins, RNR).

Royal Navy Submarine HMS Triumph (i): HMS Triumph (Cdr. W.J.W. Woods, RN) torpedoed and damaged the Italian tanker Ardor (8960 GRT, built 1927) off Capo Colonna. The damaged Italian ship was towed to Crotone. (All times are zone -2) 0813 hours - Sighted the 6000 tons Italian tanker Liri (this was thus incorrect) escorted to seaward by a Spica-class torpedo boat coming up from astern. Started attack from the inshore side. 0843 hours - Fired three torpedoes from 2500 yards. One hit was obtained. Upon firing Triumph cleared the area at high submerged speed. 0848 hours - Returned to periscope depth. The tanker could be seen heading inshore with a heavy list to port and well down by the stern. The torpedo boat was steaming up and down her seaward side, dropping depth charges. The tanker appeared to be heading towards the beach. Cdr. Woods decided to remain to the seaward until the torpedo boat dropped its last depth charge and then try to turn inshore again to finish off the tanker. 0950 hours - After 44 depth charges no more were dropped and the torpedo boat was seen to make off to the North. Meanwhile the tanker could no longer be seen and it was hoped that she had sunk. Unfortunately shortly afterwards she was seen rounding Capo Crotone out of range for another attack. According to Italian sources the damaged Ardor was towed by the tug Teseo and escorted by the torpedo boat Orione and reached Crotone.

Royal Navy Submarine HMS Tetrarch: HMS Tetrarch (Lt.Cdr. G.H. Greenway, RN) carried out a special operation. During 2100 - 2215 hours two Army officers (Captains Mark Ogilvie-Grant and Alfred W. Lawrence of the Royal tank Regiment ) and one Greek agent (Nikolaos Hatzikambouris) were landed off Shkodra, Greece. They were to contact Greek SOE agent Prometheus II (Cdr Koutsoyannopoulos of the RHN).

Royal Navy Submarine HMS Torbay: HMS Torbay (Lt.Cdr. A.C.C. Miers, RN) attacks a full laden merchant of about 2000 tons. Two torpedoes were fired but these both missed. This was probably the Italian Marconi (1191 GRT, built 1919). (All times are zone -2) 1245 hours - In position 018° St. Georgio 6.8 nautical miles sighted a well laden merchant ship of about 2000 tons. Closed to attack. 1304 hours - In position 017° St. Georgio 7.7 nautical miles fired two torpedoes but these both missed. Possibly the speed was not estimated correctly.

Royal Navy Submarine HMS Upholder: HMS Upholder (Lt.Cdr. M.D. Wanklyn, DSO, RN) torpedoed and sank the Italian troop transports Neptunia (19475 GRT, built 1932) and Oceania (19507 GRT, built 1933) some 70 nautical miles east-north-east of Tripoli, Libya in position 33°01'N, 14°49'E. These troop transports were part of a heavily guarded convoy sailing from Taranto to Tripoli. The sailing and routing had been betrayed by ULTRA and 4 submarines were positioned on the track, Upholder was in the best position and beat the other ones to the punch. (All times are zone -2) 0350 hours - Sighted convoy of three lines escorted by four destroyers bearing 045°. Range was about 6 nautical miles. Closed to attack. 0406 hours - In position 33°01'N, 14°49'E fired four torpedoes from 5000 yards. 0408 hours - Dived and retired to the South. 0410 - 0411 hours - Two explosions were heard. Two of the liners had been hit by one torpedo each. No depth charges were dropped following the attack. 0445 hours - Surfaced and sighted one large vessel stopped in the area of the attack. One destroyer was nearby. A second large vessel was making to the Westward at 5 knots with another destroyer as escort. Set course to the East to reach a favourable attack position to attack again after dawn when the torpedo tubes would have been reloaded. 0530 hours - Dived and approached while reloading in the meantime. 0630 hours - Sighted one Oceania-class ship still stropped with one destroyer nearby. Closed to attack. 0756 hours - When about to open fire a Navigatori-class destroyer was spotted close by. Went deep. The destroyer went overhead when Upholder was at 45 feet but did not drop any depth charges. 0759 hours - Dived under the target while at 70 feet to obtain a new attack position. 0851 hours - In position 32°58'N, 14°50'E fired two torpedoes from 2000 yards. Both hit. The liner [Oceania] sank after 8 minutes. Again no counter attack by the destroyers followed. [The convoy attacked by Upholder was made up of the Italian troop transports Neptunia (19475 GRT, built 1932), Oceania (19507 GRT, built 1933) and Vulcania (24469 GRT, built 1928). They were escorted by the destroyers Nicoloso da Recco, Antonio da Noli, Antoniotto Usodimare and Emanuelle Pessagno, Vincenzo Gioberti and Alfredo Oriani. A large scale rescue operation was organised and 5395 survivors were picked up by the six destroyers and the torpedo boat Clio which was sailed from Tripoli, 384 were killed or missing (the numbers may not be exact as not all sources agree).]

Royal Navy Submarine HMS Utmost: HMS Utmost (Lt.Cdr. R.D. Cayley, RN) departed Malta for her 14th war patrol (12th in the Mediterranean). She was ordered to patrol in the Southern Tyrrhenian Sea. Once again she carried a raiding party to destroy a railway if the opportunity arose. For the daily and attack positions of Utmost during this patrol see the map below.

Royal Navy Submarine HMS H 28: HMS H 28 (Lt. P.S. Skelton, RN) participated in A/S exercises off Campbeltown.

Royal Navy Submarine HMS H 33: HMS H 33 (Lt. A.J.W. Pitt, RN) participated in A/S exercises off Lough Foyle.

Royal Navy Submarine HMS H 34: HMS H 34 (Lt. W.A. Phillimore, RN) conducted A/S exercises off Campbeltown with HMS Castleton (Cdr.(Retd.) F.H.E. Skyrme, RN) and HMS Incholm (Skr. W. Martin, RNR).

Royal Navy Submarine HMS H 43: HMS H 43 (Lt. A.C. Halliday, RN) conducted A/S exercises off Campbeltown with HMS La Flore.

Royal Navy Submarine HMS H 44: HMS H 44 (Lt. A.C.G. Mars, RN) is docked at Rothesay.

Royal Navy Submarine HMS H 50: HMS H 50 (Lt. N. Marriott, DSC, RN) conducted exercises off Lough Foyle with aircraft.

Soviet Navy Submarine USSR L-4: L-4 lays a minefield off Cape Galata, Bulgaria.

Royal Navy Anti-Aircraft ship HMS Springbank: HMS Springbank makes her second operational launch as fighter catapult ship and starts the Fulmar fighter to intercept a German Fw200 aircraft while escorting the convoy HG-73, but the enemy escapes its attacks. When the fighter lands at Gibraltar it is discovered that faulty ammunition had caused all but one of the guns to jam.

1942

US Navy Submarine USS Amberjack (i): Amberjack made a night attack on the surface with 4 torpedoes against a freighter estimated at 7000 tgr, claiming one hit and damage to the target. It remains unconfirmed and unidentified.

Royal Navy Submarine HMS Unbeaten: HMS Unbeaten (Lt. D.E.O. Watson, DSC, RN) and HMS P 51 (Lt. M.L.C. Crawford, DSC, RN) arrive at Portsmouth.

Royal Navy Submarine HMS Otway: HMS Otway (Lt.Cdr.(Retd.) J.R.G. Harvey, RN) conducted exercises in the Clyde area for the C.O.Q.C. (Commanding Officers Qualifying Course) with HMS Breda (Capt.(Retd.) A. E. Johnston, RN).

Royal Navy Submarine HMS Taku: HMS Taku (Lt.Cdr. J.G. Hopkins, RN) attacks an enemy convoy in position 32°29'N, 23°34'E. Four torpedoes were fired and a sinking is claimed. The convoy attacked was made up of the merchant Fougier (???? GRT, built ????), the Italian merchant Nerucci (1180 GRT, built 1892) and the German merchant Dora (795 GRT, built 1898). They were escorted by the Italian torpedo boats Sirio and Lupo. They had sailed on the 16th from Suda Bay and arrived at Tobruk on the 18th. (All times are zone -3) 0303 hours - Sighted a darkened ship bearing 036°, distance 3 nautical miles. Identified as a destroyer. 0308 hours - Sighted two merchant ships bearing 030°, distance 3 nautical miles. Closed at speed to attack. 0320 hours - In position 32°29'N, 23°34'E fired four torpedoes at the leading ship. Dived. 0327 hours - Heard a loud explosion. 0336 hours - Heard another loud and prolonged explosion. 0345 hours - Periscope depth, nothing in sight. 0415 hours - Surfaced. Sighted a dark object in the vicinity of the attacking position and closed on main motors. The object was identified as a destroyer that was thought to be picking up survivors. Thought one ship to be hit and sunk. 0430 hours - Retired to the North.

Royal Navy Submarine HMS Truant: HMS Truant (Lt.Cdr. H.A.V. Haggard, DSO, DSC, RN) carries out exercises off Kilindini with HMS Fritillary (Lt.Cdr. W.H. Barker, RD, RNR) and aircraft.

Royal Navy Submarine HMS Trooper: HMS Trooper (Lt. J.S. Wraith, DSO, DSC, RN) shifted from Holy Loch to Kames Bay where she was immediately docked in AFD 7.

Royal Navy Submarine HMS Upright: HMS Upright (Lt.Cdr. A.F. Collett, DSC, RN) conducted exercises of Blyth training a class of new submariners.

Royal Navy Submarine HMS Umbra: HMS P 35 (Lt. S.L.C. Maydon, RN) arrived back at Malta.

Royal Navy Submarine HMS Unruffled: P 46 (Lt. J.S. Stevens, DSC, RN) departed Malta for her 5th war patrol (4th in the Mediterranean). She is ordered to patrol off Kuriat, Tunisia. For the daily and attack positions of HMS P 46 during this patrol see the map below.

Royal Navy Submarine HMS Unseen: HMS P 51 (Lt. M.L.C. Crawford, DSC, RN) arrived at Portsmouth.

Royal Navy Submarine HMS H 28: HMS H 28 (Lt. C.H. Rankin, RN) participated in A/S exercises off Campbeltown.

Royal Navy Submarine HMS H 32: HMS H 32 (Lt. J.R. Drummond, RN) conducted A/S exercises off Lough Foyle with HMCS Wetaskiwin (Lt.Cdr. G.S. Windeyer, RCN).

Royal Navy Submarine HMS H 34: HMS H 34 (Lt. J.P.H. Oakley, DSC, RN) conducted A/S exercises at / off Scapa Flow with HMS Tanatside (Lt.Cdr. F.D. Brown, RN) and HMS Quality (Lt.Cdr. G.L. Farnfield, DSO, RN). Also a practice attack was carried out on HMS Bermuda (Capt. T.H. Back, RN).

Royal Navy Submarine HMS H 43: HMS H 43 (Lt. B.J.B. Andrew, DSC, RN) conducted A/S exercises off Lough Foyle with HMS Anemone (Lt.Cdr. P.G.A. King, RD, RNR), HMS Chelsea (Lt.Cdr. J.E.R. Wilford, RNR), HMS Sandwich (Lt.Cdr. H. Hill, RD, RNR), HMS Erne (Lt.Cdr. E.D.J. Abbot, RN) and two other vessels [unable to read these names in the log of HMS H 43].

Royal Navy Submarine HMS H 44: HMS H 44 (Lt. L.E. Herrick, RN) participated in A/S exercises off Tobermory.

Royal Navy Submarine HMS H 50: HMS H 50 (Lt. G.E. Hunt, DSC, RN) arrived at Rothesay.

US Navy Submarine USS R-2: USS R-2 (Lt. D.T. Hammond, USN) conducted exercises off Key West.

US Navy Submarine USS R-10: USS R-10 (Lt.Cdr. B.E. Lewellen, USN) conducted exercises off Key West.

US Navy Submarine USS R-13: USS R-13 (Lt. A.R. Gallaher, USN) conducted exercises off Key West.

US Navy Submarine USS R-14: USS R-14 (Lt.Cdr. G.W. Kehl, USN) conducted exercises off Key West.

US Navy Submarine USS R-20: USS R-20 (Lt.Cdr. C.B. Stevens, Jr., USN) conducted exercises off Key West.

Soviet Navy Submarine USSR S-13: S-13 sank the Dutch merchant Anna W. (290 GRT) with gunfire in the Gulf of Bothnia about 2 nautical miles east of Kaskinen, Finland in position 62°23'N, 21°10'E.

Royal Navy Destroyer HMS Vimy: HMS Vimy (Lt.Cdr. H.G.D. de Chair, RN) picks up 17 survivors of the American merchant West Lashaway that was torpedoed and sunk by German U-boat U-66 about 375 miles east of Trinidad on 30 August.

Royal Navy Submarine HMS L 23: HMS L 23 (Lt. J.S. Bridger, RN) conducted special trials at / off Loch Erisort.

Royal Navy Submarine HMS L 26: HMS L 26 (Lt. H.D. Verschoyle, DSC, RN) participated in A/S exercises off Campbeltown.

1943

US Navy Submarine USS Spearfish: USS Spearfish (Lt.Cdr. J.W. Williams, Jr) damaged the Japanese torpedo boat Sagi due to the premature explosion of two torpedoes south-west of Kyusyu, Japan in position 29°08'N, 134°29'E.

US Navy Submarine USS Seadragon: USS Seadragon (Cdr. R.L. Rutter, USN) conducted exercises off Pearl Harbour.

US Navy Submarine USS Corvina: With her trails and initial training completed USS Corvina (Cdr. R.S. Rooney, USN) departed New London, Connecticut for the Panama Canal Zone.

US Navy Submarine USS Trigger: USS Trigger (Lt.Cdr. R.E. Dornin) torpedoed and sank the Japanese merchant cargo ship Yowa Maru (6435 GRT) east of Okinawa in position 27°20'N, 126°53'E.

US Navy Submarine USS Dace: USS Dace (Lt.Cdr. J.F. Enright, USN) transited the Panama Canal.

US Navy Submarine USS Scamp: USS Scamp (Lt.Cdr. W.G. Ebert) torpedoed and damaged the Japanese army cargo ship Kansai Maru (8614 GRT) north of New Guinea in position 00°41'N, 146°28'E. Scamp is damaged by depth charges from the escorts but is able to remain on patrol.

US Navy Submarine USS Cisco: USS Cisco (Cdr. J.W. Coe, USN) arrived at Darwin from Brisbane.

Royal Navy Submarine HMS Una: HMS Una (Lt. W.G. Meeke, DSC, RN) conducted A/S exercises off Fishguard with aircraft.

Royal Navy Submarine HMS Oberon: HMS Oberon (Lt.Cdr. J.B.de B. Kershaw, DSO, RN) conducted exercises in the Clyde area with a training class of new submariners.

Royal Navy Submarine HMS Clyde: HMS Clyde (Lt.Cdr. R.S. Brookes, DSO, DSC, RN) conducted exercises off New London, U.S.A.

Royal Navy Submarine HMS Safari: HMS Safari (Lt. R.B. Lakin, DSO, DSC, RN) arrived in the Clyde area. Shortly afterwards (23 September) she was taken in hand for refit at Troon.

Royal Navy Submarine HMS Sibyl: HMS Sibyl (Lt. E.J.D. Turner, DSO, DSC, RN) departed Algiers for her 13th war patrol (11th in the Mediterranean). She was ordered to patrol in the Gulf of Genoa and later off Bastia, Corsica. For the daily and attack positions of HMS Sibyl during this patrol see the map below. HMS Sibyl 13th war patrol click here for bigger map

Royal Navy Submarine HMS Sea Nymph: At 0350 hours, HMS Sea Nymph (Lt. J.P.H. Oakley, DSC, RN) scuttled midget submarine X 8 in position 71°41'N, 18°11'E as she was unable to dive and therefore unable to take part in the operation.

Royal Navy Submarine HMS Sirdar: HMS Sirdar (Lt. J.A. Spender, RN) departed Barrow for Holy Loch. Her final outfitting had been completed by the Vickers Armstrong shipyard located there.

Royal Navy Submarine HMS Sportsman: HMS Sportsman (Lt. R. Gatehouse, DSC, RN) was undocked.

Royal Navy Submarine HMS Stubborn: Around 2015 hours HMS Stubborn (Lt. A.A. Duff, RN) placed the operational crew on board of X-7 and took off the passage crew. But on going ahead the tow parted. It took several hours before the two submarines were again connected together.

Royal Navy Submarine HMS Surf: HMS Surf (Lt. D. Lambert, DSC, RN) was docked at Algiers.

Royal Navy Submarine HMS Tuna: HMS Tuna (Lt. D.S.R. Martin, DSO and Bar, RN) arrived at Scapa Flow.

Royal Navy Submarine HMS Taurus: HMS Taurus (Lt.Cdr. M.R.G. Wingfield, DSO, RN) is undocked.

Royal Navy Submarine HMS Templar: HMS Templar (Lt. D.J. Beckley, DSO, RN) departed from Aden for Colombo.

Royal Navy Submarine HMS Tantivy: HMS Tantivy (Cdr. M.G. Rimington, DSO, RN) conducted attack and A/S exercises off Larne with ORP Burza (Cdr. F. Pitulko, ORP).

Royal Navy Submarine HMS Ultimatum: HMS Ultimatum (Lt. W.H. Kett, DSC, RNR) departed Gibraltar for her 18th war patrol (14th in the Mediterranean). She was ordered to patrol in the Gulf of Lions. For the daily and attack positions of HMS Ultimatum during this patrol see the map below.

Royal Navy Submarine HMS Untiring: HMS Untiring (Lt. R. Boyd, DSC, RN) departed Holy Loch for her 2nd war patrol. She was ordered to perform an anti-uboat patrol in the Bay of Biscay and to proceed to Gibraltar upon completion of this patrol. During passage south through the Irish Sea she was escorted by HMS Cutty Sark (Cdr.(Retd.) R.H. Mack, RN). For the daily positions of HMS Untiring during this patrol see the map below.

Royal Navy Submarine HMS Uther: HMS Uther (Lt. P.S. Beale, RN) conducted A/S exercises off Scapa Flow together with HMS Hussar (Lt.Cdr. R.C. Biggs, DSO, DSC, RN), HMIS Kistna (A/Cdr.(Emgy.) R.R. Caws, RIN) and HNoMS Stord (Lt.Cdr. S.V. Storheill).

Royal Navy Submarine HMS Viking: HMS Viking (Lt. R. Bannar-Martin, DSC, RN) conducted attack exercises in the Clyde area during which HMS White Bear (Cdr.(Retd.) A.L. Sanders, RN) and HMS Cutty Sark (Cdr.(Retd.) R.H. Mack, RN) served as the targets.

Royal Navy Submarine HMS H 50: HMS H 50 (Lt. J.C. Varley, RN) participated in A/S exercises off Tobermory.

US Navy Submarine USS R-10: USS R-10 (Lt. G.F. Sharp, USN) conducted exercises off Key West.

US Navy Submarine USS R-11: USS R-11 (Lt.Cdr. W.B. Parham, USN) conducted exercises off Key West.

US Navy Submarine USS R-13: USS R-13 (Lt.Cdr. D.L. Mehlop, USN) conducted exercises off Key West.

US Navy Submarine USS R-20: USS R-20 (Lt.Cdr. E.T. Shepard, USN) conducted exercises off Key West.

1944

US Navy Destroyer USS Laffey (ii): USS Laffey (Cdr. F.J. Beston) arrived at Pearl Harbor.

US Navy Destroyer USS O'Brien (ii): USS O'Brien (Cdr. W.W. Outerbridge) departed from San Diego, California bound for Pearl Harbor.

Royal Dutch Navy Submarine HNMS K XV: HrMs K XV (Lt.Cdr. Baron C.W.T. van Boetzelaer, RNN) is put on the slip at Fremantle.

Royal Dutch Navy Submarine HNMS O 19: HrMs O 19 (Lt.Cdr. A. van Karnebeek, RNN) ended her 7th war patrol at Fremantle.

Royal Dutch Navy Submarine HNMS Zeehond: HrMs Zeehond (Lt.Cdr. Baron D.T. Mackay, RNN) was undocked.

US Navy Submarine USS Thresher: USS Thresher (Lt.Cdr. J.R. Middleton, Jr) torpedoed and sank the Japanese transport ship Gyoku Maru (6854 GRT) in the Yellow Sea in position 35°02'N, 124°24'E.

US Navy Submarine USS Seadragon: USS Seadragon (Cdr. J.H. Ashley, Jr., USN) conducted exercises off Pearl Harbour together with USS Greiner (Lt.Cdr. L.H. Kiser, USN), USS Allen (Lt. J.A. Rowe, USNR) and USS Blackfish (Cdr. R.F. Sellars, USN).

US Navy Submarine USS Cod: USS Cod (Lt.Cdr. J.A. Adkins) departed from Fremantle for her 5th war patrol. She was ordered to patrol in the Philippines

US Navy Submarine USS Angler: USS Angler (Lt.Cdr. F.G. Hess) departed from Fremantle for her 5th war patrol. She was ordered to patrol in the Sulu Sea.

US Navy Submarine USS Bluegill: USS Bluegill (Lt.Cdr. E.L. Barr, Jr.) departed from Fremantle for her 3rd war patrol. She was ordered to patrol in the Sulu and South China Sea.

US Navy Submarine USS Flasher: USS Flasher (Cdr. R.T. Whitaker) torpedoed and sank the Japanese auxiliary gunboat Saigon Maru (5350 GRT, offsite link) off Manila Bay, Philippines in position 14°20'N, 120°05'E.

US Navy Submarine USS Escolar: USS Escolar (Cmdr William John Millican) departed from Pearl Harbor for her 1st war patrol, and was ordered to patrol in the Yellow Sea.

US Navy Submarine USS Archerfish: USS Archerfish (Cdr. W.H. Wright, USN) departed her patrol area for Midway.

US Navy Submarine USS Burrfish: USS Burrfish (Lt.Cdr. W.B. Perkins, Jr.) departed from Majuro for her 4th war patrol. She was ordered to patrol of the Bonin Islands.

US Navy Submarine USS Sterlet: USS Sterlet (Lt.Cdr. O.C. Robbins) departed from Midway for her 2nd war patrol. She was ordered to patrol off the Ryukyu Islands.

Royal Navy Submarine HMS Satyr: HMS Satyr (Lt. T.S. Weston, DSO, DSC, RN) departed Dundee for Lerwick. She made the passage together with FFS Rubis (Lt.Cdr. H.L.G. Rousselot). They were escorted by HMS Loch Monteith (T/Lt. K.W. Richardson, RNR).

Royal Navy Submarine HMS Seraph: HMS Seraph (Lt. T. Russell-Walling, RN) conducted trials of Plymouth.

Royal Navy Submarine HMS Sirdar: HMS Sirdar (Lt. J.A. Spender, RN) ended her 5th war patrol (3rd in the Far East) at Fremantle, Australia.

Royal Navy Submarine HMS Sportsman: HMS Sportsman (Lt. P.L. Langley-Smith, RN) conducted exercises off Blyth.

Royal Navy Submarine HMS Storm: HMS Storm (T/A/Lt.Cdr. E.P. Young, DSO, DSC, RNVR) made a short stop at Exmouth Gulf, Australia for fuel. After nearly four hours she departed for Fremantle.

Royal Navy Submarine HMS Spark: HMS Spark (Lt. D.G. Kent, RN) departed Gibraltar for Malta.

Royal Navy Submarine HMS Shalimar: HMS Shalimar (Lt. W.G. Meeke, DSC, MBE, RN) departed Aden for Trincomalee.

Royal Navy Submarine HMS Spirit: HMS Spirit (Lt. A.W. Langridge, RN) conducted Air/Sea rescue duties during Allied air strikes on Sigli. They succesfully picked up an aircrew of three from a ditched Barracuda aircraft.

Royal Navy Submarine HMS Supreme: HMS Supreme (Lt. T.E. Barlow, RN) departed Gibraltar for Malta. She made the passage to Malta together with HMS Thule (Lt. A.C.G. Mars, DSO, DSC, RN) and HMS Spark (Lt. D.G. Kent) in convoy UGS 53.

Royal Navy Submarine HMS Trident: HMS Trident (Lt. A.J.W. Pitt, DSO, RN) is docked in AFD 7 at Holy Loch.

Royal Navy Submarine HMS Thrasher: HMS Thrasher (Lt.Cdr. M.F.R. Ainslie, DSO, DSC, RN) departed Holy Loch for Lerwick. She made the passage together with HMS Trump (Cdr. E.F. Balston, DSO, RN), HMS Truculent (Lt.Cdr. R.L. Alexander, DSO, DSC, RN) and HNoMS Utsira (Lt. S. Valvatne). The submarines were escorted by HMS Shikari (Lt. E.H.U. Cautley, RNVR).

Royal Navy Submarine HMS Thule: HMS Thule (Lt. A.C.G. Mars, DSO, DSC, RN) departed from Gibraltar bound for Malta.

Royal Navy Submarine HMS Truculent: HMS Truculent (Lt.Cdr. R.L. Alexander, DSO, RN) arrived at Holy Loch.

Royal Navy Submarine HMS Tudor: HMS Tudor (Lt. S.A. Porter, DSC, RN) conducted exercises off Trincomalee.

Royal Navy Submarine HMS Tally-Ho: HMS Tally-Ho (Cdr. L.W.A. Bennington, DSO and Bar, DSC and Bar, RN) departed from Trincomalee for her 11th war patrol. She is to patrol in the Malacca Straits. For the daily and attack positions of HMS Tally-Ho during this patrol see the map below.

Royal Navy Submarine HMS Tantalus: While en-route from the patrol area to Australia HMS Tantalus (Lt. J. Nash, DSC, RN) is attacked by an aircraft in position 09°56'S, 103°41'E. The aircraft dropped a bomb but no damage was done. (all times are zone -6.5) 0943 hours - In position 09°56'S, 103°41'E an aircraft was sighted between two clouds only one mile away. Dived. The aircraft was beam on and must have sighted Tantalus at the same time for he dropped a bomb which was not very close 1016 hours - Surfaced 1023 hours - Aircraft detected by radar, dived 1101 hours - Surfaced 1114 hours - Sighted aircraft bearing 240° about 10 nautical miles. The aircraft was seen to turn towards. Dived in position 10°01'S, 103°44'E 1250 hours - Surfaced 1321 hours - Two aircraft were sighted bearing 200, distance 5 nautical miles. Dived in position 10°08'S, 103°52'E 1523 hours - Surfaced

Royal Navy Submarine HMS Terrapin: HMS Terrapin (Lt. R.H.H. Brunner, RN) was ordered to search for a missing airplane after an air strike on Medan. She is unable to find it and the missing crew.

Royal Navy Submarine HMS Tradewind: HMS Tradewind (Lt.Cdr. S.L.C. Maydon, DSO and Bar, RN) torpedoed and sank the Japanese army cargo ship Junyo Maru (5065 GRT, built 1913) about 18 nautical miles south of Mukomuko, Sumatra, Netherlands East Indies in position 02°52'S, 101°12'E. Unbeknown to the Commanding Officer of the submarine, the Japanese ship was carrying 4200 Javanese slave labourers and 2300 Allied prisoners from Batavia to Padang. 5620 lives were lost in the sinking. If you want to know more about this sinking follow this offsite link: The sinking of the Junyo Maru (All times are zone -6.5) 1516 hours - The Officer of the Watch sighted a small plume of smoke through the low power periscope (the high power periscope was defective). This smoke was sighted at a range of over 13500 yards. This was an excellent sighting. The smoke was first sighted baring 173°. Course was altered to attack. The target was later seen to be an old fashioned merchant vessel, 4000 to 5000 tons, of the three island type, two masts, single tall thin funnel and counter-stern. She was about two-thirds loaded. She was escorted by two motor launches, one on her Starboard beam the other on her Port quarter. 1551 hours - In position 02°52'N, 101°12'E fired four torpedoes. The targets speed was estimated at 8 knots. Upon firing Tradewind went deep. 1min30sec and 1min45sec after firing explosions were heard. After these explosions the HE of the target ceased. Three depth charges were dropped by the escort but these did no damage. 1613 hours - Heard loud crackling noises, must have been the target breaking up.

Royal Navy Submarine HMS Trump: HMS Trump (Cdr. E.F. Balston, DSO, RN) departed Rothesay for Lerwick. Passage north though the Minches was made together with HMS Thrasher (Lt.Cdr. M.F.R. Ainslie, DSO, DSC, RN), HMS Truculent (Lt.Cdr. R.L. Alexander, DSO, DSC, RN) and HNoMS Utsira (Lt. S. Valvatne). The submarines were escorted by HMS Shikari (Lt. E.H.U. Cautley, RNVR).

Royal Navy Submarine HMS Upright: HMS Upright (Lt. J.A.L. Wilkinson, RN) and HMS United (Lt. M.D. Hutley, RNR) departed Halifax for Bermuda. They were escorted by the Canadian corvette HMCS Rosthern (T/Lt. S.R.P. Annet, RCNVR). For the daily positions of HMS Upright during this passage see the map below.

Royal Navy Submarine HMS Uproar: HMS Uproar (Lt. J.N. Devlin, DSC, RN) proceeded to Douglas, Isle of Man upon completion of the exercises off Morecambe Bay.

Royal Navy Submarine HMS United: HMS United (Lt. M.D. Hutley, RNR) and HMS Upright (Lt. J.A.L. Wilkinson, RN) departed Halifax for Bermuda. They were escorted by the Canadian corvette HMCS Rosthern (T/Lt. S.R.P. Annet, RCNVR).

Royal Navy Submarine HMS Unruffled: HMS Unruffled (Lt. R.F. Park, RN) participated in A/S exercises off Bermuda.

Royal Navy Submarine HMS Universal: HMS Universal (Lt. C. Gordon, RN) departed Gibraltar for Holy Loch. She made the passage in convoy SL 170 / MKS 61.

Royal Navy Submarine HMS Untamed: HMS Vitality (Lt. K.S. Renshaw, DSC, RNR) participated in A/S exercises off Larne.

Royal Navy Submarine HMS Varangian: HMS Varangian (Lt. A.J. Sumption, DSC, RNVR) participated in A/S exercises off Tobermory.

Royal Navy Submarine HMS Uther: During the night of 18/19 September 1944, HMS Uther (Lt. R.A.A.C. Ward, DSC, RN), conducted A/S exercises off Fishguard with aircraft.

Royal Navy Submarine HMS Upstart: HMS Upstart (Lt. P.C. Chapman, DSC and Bar, RN) departed Malta for her 12th war patrol (10th in the Mediterranean). She was ordered to patrol in the Aegean. For the daily positions of HMS Upstart during this patrol see the map below.

Royal Navy Submarine HMS Varne: HMS Varne (Lt. I.G. Raikes, DSC, RN) conducted exercises off Larne.

Royal Navy Submarine HMS Virulent: Virulent (Lt. S.J. Fovargue, RN) conducted exercises off Blyth.

Royal Navy Submarine HMS Vulpine: HMS Vulpine conducted special torpedo trials off Arrochar.

Royal Navy Submarine HMS H 32: HMS H 32 (Lt. I.M. Stoop, DSC, RN) participated in A/S exercises off Campbeltown.

Royal Navy Submarine HMS H 43: HMS H 43 (Lt. W.P. McLoughlin, RN) is docked at Rothesay to remove the battery.

Royal Navy Submarine HMS H 44: HMS H 44 (Lt. R.C. Bucknall, RN) participated in A/S exercises off Campbeltown.

Royal Navy Submarine HMS H 50: HMS H 50 (Lt. W.T.J. Fox, RN) conducted independent exercises off Campbeltown.

US Navy Submarine USS R-4: USS R-4 (Lt. D.C. Peto, USN) conducted exercises off Key West.

US Navy Submarine USS R-10: USS R-10 (Lt. R.D. McWenthy, USN) conducted exercises off Key West.

US Navy Submarine USS R-11: USS R-11 (Lt.Cdr. W.B. Parham, USN ?) conducted exercises off Key West.

US Navy Submarine USS R-13: USS R-13 (Lt.Cdr. D.L. Mehlop, USN) conducted exercises off Key West.

US Navy Submarine USS R-20: USS R-20 (Lt.Cdr. J.B. Dudley, USN) conducted exercises off Key West.

Polish Navy Destroyer ORP Garland: On 18 September 1944 on 7pm, a lookout on ORP Garland spotted an enemy U-boat. The U-boat was promptly attacked, but without any result. Later four British destroyers, HMS Troubridge, HMS Terpsichore, HMS Brecon and HMS Zetland, joined the Polish destroyer and started the hunting which lasted for 10 hours. On 6am the following day the U-boat surfaced and was spotted again by the Polish destroyer, this time the attack, 10 depth-charges, was deadly. German U-boat U-407 was sunk. The survivors were picked up by Garland as war prisoners.

US Navy Submarine USS Pipefish: USS Pipefish (Lt.Cdr. W.N. Deragon) torpedoed and damaged the Japanese troop transport Rokko Maru (3038 GRT) off Honshu, Japan in position 32°49'N, 154°22'E.

1945

US Navy Submarine USS Blackfin: USS Blackfin (Lt.Cdr. W.L. Kitch, USN) departed Pearl Harbour for San Diego.

Royal Navy Submarine HMS Scythian: HMS Scythian (T/A/Lt.Cdr. C.P. Thode, RNZNVR) arrived at Colombo. She departed for Suez later on the same day.

Royal Navy Submarine HMS Scorcher: HMS Scorcher (Lt. K.S. Renshaw, DSC, RNR) arrived back at Trincomalee.

Royal Navy Submarine HMS Trident: HMS Trident (Lt. A.R. Profit, DSC, RN) departed from Trincomalee bound for the U.K.

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