Allied Warships

Events on this day

4 April

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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 (23)

1926: French Navy Heavy cruiser Suffren

1933: Royal Navy Minesweeper Skipjack (J 38)

1934: Soviet Navy Submarine ShCh-402

1939: Royal Navy Minelayer Latona (M 76)

1940: Royal Canadian Navy Corvette Barrie (K 138)

1941: Royal Navy Corvette Sweetbriar (K 209)

1942: Royal Navy Submarine Stonehenge (P 232) - US Navy Minesweeper YMS-227 (YMS-227)

1943: Royal Navy Corvette Hadleigh Castle (K 355) - US Navy Destroyer Escort England (DE 635) - US Navy Patrol craft PCS-1452 (PCS-1452)

1944: Royal Navy Submarine Astute (P 447) - Royal Navy Tank landing ship LST 3502 (LST 3502) - US Navy Landing Craft Infantry LCI(L)-606 (LCI(L)-606) - US Navy Landing craft tank LCT 686 (LCT 686) - US Navy Landing craft tank LCT 828 (LCT 828) - US Navy Medium landing ship LSM 138 (LSM 138) - US Navy Medium landing ship LSM 139 (LSM 139) - US Navy Motor torpedo boat PT 661 - US Navy Motor torpedo boat PT 731 - US Navy Minesweeper Scoter (AM 381)

1945: US Navy Motor torpedo boat PT 704 - US Navy Motor torpedo boat PT 705

Launched (35)

1918: Italian Navy Minesweeper RD 25

1927: United States Coast Guard Patrol vessel Morris (WPC 147) - United States Coast Guard Patrol vessel Nemaha (WPC 148) - United States Coast Guard Patrol vessel Pulaski (WPC 149)

1928: Royal Hellenic Navy Submarine Triton (Y 5)

1934: Soviet Navy Submarine ShCh-115

1936: US Navy Aircraft carrier Yorktown (i) (CV 5)

1939: Royal Navy Destroyer Kashmir (F 12) - US Navy Aircraft Carrier Wasp (CV 7)

1941: US Navy Minesweeper Courlan (AMc-44)

1942: Royal Navy Escort Carrier Battler (D 18) - Royal Navy Escort Carrier Fencer (D 64) - Royal Navy Motor minesweeper MMS 170 (J 670) - Royal Navy Motor minesweeper MMS 71 (J 571) - Royal Navy MS Trawler Whalsay (T 293) - US Navy Escort carrier Altamaha (i) (CVE 6) - US Navy Escort carrier Croatan (i) (CVE 14) - US Navy Light cruiser Denver (CL 58) - US Navy Escort carrier Nassau (CVE 16) - US Navy Minesweeper Pluck (AMc-94) - US Navy Submarine chaser SC-667 (SC-667) - US Navy Minesweeper YMS-120 (YMS-120)

1943: Royal Canadian Navy Corvette Atholl (K 15) - Royal Navy Minesweeper BYMS 2149 (J 949) - Royal Navy Submarine Varangian (P 61) - US Navy Light fleet carrier Cabot (CVL 28) - US Navy Submarine Cero (225) - US Navy Destroyer Hale (ii) (DD 642) - US Navy Destroyer Escort Inch (DE 146) - US Navy Submarine Redfin (272) - US Navy Destroyer The Sullivans (DD 537) - US Navy Minesweeper YMS-149 (YMS-149)

1944: US Navy Landing Craft Infantry LCI(L)-588 (LCI(L)-588) - US Navy Landing craft tank LCT 1067 (LCT 1067)

1945: US Navy Motor torpedo boat PT 591

Commissioned (44)

1923: US Navy Submarine S-36 (141)

1927: United States Coast Guard Patrol vessel Frederick Lee (WPC 139)

1933: French Navy Submarine Rubis - Royal Navy Destroyer Decoy (H 75)

1935: Royal Navy Sloop Enchantress (L 56 / U 56)

1939: Royal Navy Boom defence vessel Magnet (Z 27)

1941: Royal Navy Minesweeper Cromer (J 128) - Royal Navy Harbour Defence Motor Launch HDML 1006 (ML 1006) - Royal Navy Harbour Defence Motor Launch HDML 1016 (ML 1016) - Royal Navy Landing Craft Tank LCT 28 (LCT 28) - Royal Navy Landing Craft Tank LCT 29 (LCT 29) - Royal Navy Landing Craft Tank LCT 30 (LCT 30) - Royal Navy Motor Gun Boat MGB 86 (ii) (MGB 86) - Royal Navy Motor Gun Boat MGB 87 (ii) (MGB 87) - Royal Navy Motor Gun Boat MGB 88 (ii) (MGB 88) - Royal Navy Motor Gun Boat MGB 89 (ii) (MGB 89) - Royal Navy Motor Gun Boat MGB 90 (ii) (MGB 90) - Royal Navy Motor Gun Boat MGB 91 (ii) (MGB 91) - Royal Navy Motor Gun Boat MGB 92 (ii) (MGB 92) - Royal Navy Motor Gun Boat MGB 93 (ii) (MGB 93)

1942: Royal Navy Destroyer Martin (G 44)

1943: Italian Navy Corvette Pomona - US Navy Minesweeper Velocity (AM 128)

1944: Royal Navy Landing Craft Tank LCT 1087 (LCT 1087) - Royal Navy Landing Craft Tank LCT 7084 (LCT 7084) - Royal Navy Landing Craft Tank LCT 7086 (LCT 7086) - Royal Navy Motor Torpedo Boat MTB 749 (MTB 749) - Royal Navy Minesweeper Welfare (J 356) - US Navy Destroyer Escort John M. Bermingham (DE 530) - US Navy Destroyer Escort Kyne (DE 744) - US Navy Landing Craft Infantry LCI(L)-1055 (LCI(L)-1055) - US Navy Landing Craft Infantry LCI(L)-584 (LCI(L)-584) - US Navy Landing Craft Infantry LCI(L)-670 (LCI(L)-670) - US Navy Landing Craft Infantry LCI(L)-955 (LCI(L)-955) - US Navy Minesweeper Scrimmage (AM 297) - US Navy Destroyer Escort Shelton (i) (DE 407) - US Navy Escort carrier Steamer Bay (CVE 87) - US Navy Destroyer Escort Wiseman (DE 667)

1945: US Navy Destroyer Perkins (ii) (DD 877) - US Navy Motor torpedo boat PT 587 - US Navy Minesweeper Redstart (AM 378) - US Navy Minesweeper Sprig (AM 384) - US Navy High speed transport William M. Hobby (APD 95)

1946: Royal Navy Tank landing ship LST 3044 (LST 3044)

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 4 April (7)


1941: Royal Navy Armed Merchant Cruiser Voltaire (F 47) - Royal Hellenic Navy Torpedo boat Proussa

1942: Royal Hellenic Navy Submarine Glavkos (Y 6) - Soviet Navy Destroyer Sovershenny

1945: US Navy Destroyer Dickerson (DD 157) - US Navy Landing Craft Infantry LCI(L)-82 (LCI(L)-82) - US Navy Tank landing ship LST 675 (LST 675)

More information on Allied Warships losses.


General Events on 4 April


1940

Royal Navy Light cruiser HMS Liverpool: HMS Liverpool (Capt. A.D. Read, RN) conducted gunnery and torpedo firing exercises off Hong Kong.

Royal Navy Submarine HMS Thistle: HMS Thistle (Lt.Cdr. W.F. Haselfoot, RN) departed from Rosyth for Scapa Flow.

Royal Navy Submarine HMS Olympus: HMS Olympus (Lt.Cdr. H.G. Dymott, RN) conducted exercises off Colombo together with HMIS Ramdas (Lt.Cdr. M.H.St.L. Nott, RIN).

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

Royal Navy Submarine HMS Porpoise: HMS Porpoise (Cdr. P.Q. Roberts, RN) ended her 2nd war patrol at Rosyth.

Royal Navy Submarine HMS Narwhal: Between 0413 and 0422 hours, HMS Narwhal (Lt.Cdr. R.J. Burch, RN) laid minefield F.D. 1 (50 mines) in the North Sea in position 54°37'N, 06°35'E.

Royal Navy Submarine HMS Cachalot: HMS Cachalot (Lt.Cdr. S.W.F. Bennetts, RN) conducted exercises off Portsmouth.

Royal Navy Submarine HMS Snapper: HMS Snapper (Lt. W.D.A. King, RN) departed Harwich for her 7th war patrol. She was ordered to patrol in the North Sea to the west of Denmark. No log is available for this period therefore no map can be displayed.

Royal Navy Submarine HMS H 32: HMS H 32 (Lt. M.D. Wanklyn, RN) conducted A/S exercises off Portland with HMS Highlander (Cdr. W.A. Dallmeyer, RN).

Royal Navy Submarine HMS H 44: HMS H 44 (Lt. E.D. Norman, RN) participated in A/S exercises off Portland.

Polish Navy Destroyer ORP Blyskawica: The Polish destroyers Burza, Grom and Blyskawica reached their new home base Rosyth. In the afternoon they left the harbour with the British light cruisers HMS Arethusa, HMS Galatea and three British destroyers. These ships were ordered to conduct a patrol at North Sea and were later ordered to intercept German invasion groups heading for Norway.

Royal Navy Monitor HMS Terror: HMS Terror (Cdr. H.J. Haynes, DSC, RN) arrived at Malta to strengthen the defences against a foreseen Italian entry into the war.

1941

Royal Navy Heavy cruiser HMS Exeter: HMS Exeter (Capt. O.L. Gordon, MVO, RN) conducted gunnery exercises at Scapa Flow.

Royal Navy Submarine HMS Unbeaten: HMS Unbeaten (Lt. E.A. Woodward, RN) ended her 1st war patrol at Portsmouth. She had sighted only fishing vessels.

Royal Navy Submarine HMS Parthian: HMS Parthian (Cdr. M.G. Rimington, DSO, RN) departed Alexandria for Port Said.

Royal Navy Submarine HMS Pandora: At 0930 hours HMS Pandora (Lt.Cdr. J.W. Linton, RN) made rendez-vous with RFA Cairndale

Royal Navy Submarine HMS Severn: HMS Severn (Lt.Cdr. A.N.G. Campbell, RN) arrived at St. Helena. She departed again later the same day having fuelled in the meantime.

Royal Navy Submarine HMS Rorqual: HMS Rorqual (Cdr R.H. Dewhurst, DSO, RN) ended her 13th war patrol (10th in the Mediterranean) at Malta.

Royal Navy Submarine HMS Sturgeon: HMS Sturgeon (Lt.Cdr. D. St. Clair-Ford, RN) departed Blyth for Portsmouth. Passage was made in coastal convoys.

Royal Navy Submarine HMS Tetrarch: HMS Tetrarch (Lt.Cdr. R.M.T. Peacock, RN) fired two torpedoes at a 1500 tons merchant vessel anchored off Burat. No hits were obtained. The target was most likely the Italian merchant Silvio Scaroni (1394 GRT, built 1920). (All times are zone -3) 0955 hours - Sighted masts of vessels anchored off Burat. Closed. 1140 hours - Confirmed that there were four ships at anchor. One appeared to be an armed ocean going tug of about 800 tons. Of the remainder one was a vessel of about 1500 tons, the other two being smaller. It was decided to wait till sunset and then fire two torpedoes, one at the tug and one at the 1500 tons vessel. 1600 hours - The armed tug weighted anchor and proceeded Westward. 1918 hours - Fired a torpedo at the 1500 tons vessel from 5000 yards. The torpedo was seen to break surface so another torpedo was fired at this ship. No hits were obtained. 2025 hours - Surfaced and proceeded Eastwards.

Royal Navy Destroyer HMS Havelock: HMS Havelock (Cdr. E.H. Thomas, DSC, RN) picks up 21 survivors from the British tanker Welcombe that was torpedoed and sunk by German U-boat U-98 in the North Atlantic, south-south-west of Iceland, in position 59°09'N, 23°40'W.

Royal Navy Destroyer HMS Veteran: The British merchant Harbledown is torpedoed and sunk by German U-boat U-94 south-south-west of Iceland in position 58°24'N, 23°20'W. HMS Veteran (Cdr. W.T. Couchman, OBE, RN) later picks up 25 survivors.

Royal Hellenic Navy Torpedo boat RHS Proussa: The TB was riding at anchor in Dafnila Bay, Corfu island, NW Greece, when she was attacked and sunk, along with the Greek steamer Sussanna by Italian Ju-87s belonging to the 239th Sqn, 97th Dive-bombing group (Captain Mario Larket).That air group carried out 3 attacks that day, each with 6 machines, against Greek naval vessels. Germany did not enter the fray against Greece until 6 April, therefore the notion German planes made this attack is patently incorrect.

1942

Royal Navy Heavy cruiser HMS Dorsetshire: At 1000/F, HMS Dorsetshire (Capt. A.W.S. Agar, VC, DSO, RN) and HMS Cornwall (Capt. P.C.W. Manwaring, RN) arrived at Colombo. HMS Cornwall was to be used for upcoming escort duties, HMS Dorsetshire continued her refit. She had three major engine room defects. It was very desirable, although not essential, to correct these. She was therefore ordered to be on long notice to have these defects corrected. However soon after the arrival of the heavy cruisers a Catalina reconnaissance aircraft reported an enemy force. Nothing further was heard of this aircraft and it was thought to have been shot down before further reports could be sent. As a Japanese air attack on Colombo was now expected for the following morning. It was then decided to sent the cruisers back to sea where they were to join Force A again. Both cruisers then departed Colombo in company at 1600/F. The next morning, at 0657 hours on the 5th, HMS Dorsetshire reported that they were being shadowed by an enemy reconnaissance aircraft. A large Japanese air group then sank both cruisers before they could join Force A.

Royal Dutch Navy Destroyer HNMS Isaac Sweers: HrMs Isaac Sweers (Cdr. W. Harmsen, RNN) arrived at Addu Atoll with 'Force B' to fuel.

Royal Dutch Navy Submarine HNMS O 9: HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) shifted from Rothesay to Ardrossan.

US Navy Submarine USS Grampus (i): USS Grampus (Lt.Cdr. E.S. Hutchinson) ended her 1st war patrol at Pearl Harbor.

US Navy Submarine USS Seadragon: Having embarked stores and fuel, USS Seadragon (Lt.Cdr. W.E. Ferrall, USN), departed Cebu for Corregidor.

US Navy Submarine USS Snapper: USS Snapper (Lt.Cdr. H.L. Stone) unloaded her supplies at the besieged island of Corregidor (actually transferred the supplies to USS Pigeon). She evacuated 27 military personnel when she departed.

US Navy Submarine USS Silversides: With her trials and initial training completed USS Silversides (Lt.Cdr. C.C. Burlingame) arrived at Pearl Harbor.

Royal Navy Submarine HMS Otus: HMS Otus (Lt. R.M. Favell, RN) conducted A/S exercises off Alexandria together with HMS Klo (Lt. M.C. English, RNR) and HMS Falk (Lt. H.S. Upperton, RNR).

Royal Navy Submarine HMS Proteus: HMS Proteus (Lt.Cdr. P.S. Francis, RN) ended her 12th war patrol (11th in the Mediterranean) at Alexandria.

Royal Navy Submarine HMS Trident: HMS Trident (Lt. A.R. Hezlet, DSC, RN) conducted attack exercises in the Clyde area during which HMS Breda (Capt.(Retd.) A.E. Johnston, RN) served as target.

Royal Navy Submarine HMS Umbra: HMS P 35 (Lt. S.L.C. Maydon, RN) attacked an escorted merchant vessel with 1 torpedo about 10 nautical miles North-West of Lampione in position 35°37'N, 12°09'E. The torpedo missed. [This was most probably the Italian transport Una (1397 GRT, built 1904) escorted by the German minesweepers R 6, R 10, R 11 and R 12. They had sailed from Trapani bound for Tripoli but stopped on the way at Lampedusa about three hours after this attack.] (All times are zone -1) 1138 hours - Sighted smoke bearing 299°. Altered course to intercept, went deep and closed at full speed. 1155 hours - The target appeared to be a 3500 tons merchant vessel with an escort and accompanying aircraft. Altered course to close more quickly. 1228 hours - The target was now seen to be painted black and white. She was escorted by 4 E or R boats and aircraft. Enemy course was estimated as 160°, speed 8,5 knots, range 7500 yards. 1238 hours - The target was seen to have altered course to 130°. P 35 was now almost right ahead of her at a range of 3500 yards. Maneuvered to obtain a favourable attack position. 1250 hours - It appeared P 35's periscope had been spotted so Lt. Maydon went to 180 feet and altered course. No counter attack followed however. 1317 hours - Returned to periscope depth. Saw the target about 4500 yards away steering a course of 140°. The escorts were in station on each side of the target. P 35 was nearly right astern of the target, not a favourable attack position. Given the strong escort of the target it was decided to attack with 1 torpedo as it must have been a valuable ship and cargo for the enemy. 1319 hours - In position 35°37'N, 12°09'E fired no.1 torpedo tube. Range was 5000 yards. The torpedo missed. P 35 then retired from the area to the West.

Royal Navy Submarine HMS United: HMS P 44 (Lt. T.E. Barlow, RN) conducted independent exercises in the Clyde area.

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

Royal Navy Submarine HMS H 50: HMS H 50 (Lt. M.L.C. Crawford, DSC, RN) participated in A/S exercises off Lough Foyle.

Royal Navy Submarine HMS P 511: HMS P 511 (Lt. M.F.R. Ainslie, DSC, RN) conducted A/S exercises at Scapa Flow with HMS Forester (Lt.Cdr. G.P. Huddart, RN).

Royal Navy Submarine HMS P 514: Lt Phillimore left HMS P 514 sick for hospital. The Commanding Officer of HMS P 512 (which was at Halifax with defects) Lt. Ogle took temporary command of P 514.

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

US Navy Submarine USS R-4: USS R-4 (Lt. P.W. Garnett, USN) was put on the slipway at Key West.

US Navy Submarine USS R-11: USS R-11 (Lt.Cdr. E.C. Folger, Jr., USN) conducted exercises off Key West.

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

Soviet Navy Submarine USSR P-3: Now at Leningrad P-3 was again damaged by German aircraft.

Polish Navy Destroyer ORP Blyskawica: Blyskawica suffered damage due to a storm.

Royal Navy Submarine HMS L 23: HMS L 23 (Lt. M.G.R. Lumby, RN) arrived at Scapa Flow.

Royal Navy Submarine HMS L 26: HMS L 26 (Lt. H.D. Verschoyle, DSC, RN) conducted exercises in the Clyde area with a training class of new submariners.

Royal Navy Submarine HMS P 612: HMS P 612 (Lt. A.J.W. Pitt, RN) arrived at Gibraltar.

Royal Navy Submarine HMS P 614: HMS P 614 (Lt. D.J. Beckley, RN) shifted from Holy Loch to Arrochar.

1943

Royal Dutch Navy Submarine HNMS O 24: HrMs O 24 (Lt.Cdr. W.J. de Vries, RNN) was docked at Colombo.

Royal Dutch Navy Submarine HNMS O 9: HrMs O 9 (Lt.Cdr. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Campbeltown with HMS Bedlington (Skr. J.H.D. Dansie, RNR) and HMS Radiant (T/Lt. C.S.R. Shapland, RNVR).

Royal Dutch Navy Submarine HNMS O 10: HrMs O 10 (Lt.Cdr. Baron D.T. Mackay, RNN) proceeded from Rothesay to Arrochar.

US Navy Submarine USS Thresher: USS Thresher (Lt.Cdr. H. Hull) departed from Fremantle for her 8th war patrol.

US Navy Submarine USS Grayback: USS Grayback (Lt.Cdr. E.C. Stephan) ended her 6th war patrol at Brisbane.

US Navy Submarine USS Porpoise: USS Porpoise (Lt.Cdr. J.R. McKnight, Jr) torpedoed and sank the Japanese merchant Koa Maru (2032 GRT) near Eniwetok atoll in position 13°10'N, 162°05'E.

US Navy Submarine USS Gato: USS Gato (Lt.Cdr. R.J. Foley) is damaged by depth charges off New Ireland in position 03°08'S, 153°00'E. She is forced back to base at Brisbane for temporary repairs from 11 April to 20 April. She then continues her patrol.

US Navy Submarine USS Haddock: USS Haddock (Lt.Cdr. R.M. Davenport) is damaged by depth charges off Palau in position 09°31'N, 133°39'E and is forced to terminate her patrol.

Royal Navy Submarine HMS Ursula: HMS Ursula (Lt. A.R. Profit, DSC, RN) shifted from Portsmouth to Portland. She makes the passage together with HMS Taku (Lt. A.J.W. Pitt, RN) and HMS Sickle (Lt. J.R. Drummond, RN). They were escorted by HMS Kingston Turquoise (Ch.Skr. H.E. Dodd, RNR).

Royal Navy Submarine HMS Osiris: HMS Osiris (Lt. A.G. Chandler, RNR) conducted exercises off Beirut.

Royal Navy Submarine HMS Rorqual: The Italian merchant Carbonello A. (1593 GRT, built 1943) was not mined at Trapani on 4 April 1943 as reported elsewhere, this error was caused by the misinterpretation of an Ultra signal. She was on passage from Brindisi to Crotone at that time and was undamaged.

Royal Navy Submarine HMS Sahib: HMS Sahib (Lt. J.H. Bromage, DSC, RN) ended her 9th war patrol (8th in the Mediterranean) at Algiers.

Royal Navy Submarine HMS Sickle: HMS Sickle (Lt. J.R. Drummond, DSC, RN) departed Portsmouth for Portland where she arrived later the same day. She made the passage together with HMS Taku (Lt. A.J.W. Pitt, RN) and HMS Ursula (Lt. A.R. Profit, DSC, RN). They were escorted by HMS Kingston Turquoise (Ch.Skr. H.E. Dodd, RNR).

Royal Navy Submarine HMS Surf: HMS Surf (Lt. D. Lambert, DSC, RN) shifted from Campbeltown to Holy Loch. She then went to Loch Goil where she conducted noise trials.

Royal Navy Submarine HMS Taku: HMS Taku (Lt. A.J.W. Pitt, RN) proceeded from Portsmouth to Portland. She made the passage together with HMS Ursula (Lt. A.R. Profit, DSC, RN) and HMS Sickle (Lt. J.R. Drummond, RN). They were escorted by HMS Kingston Turquoise (Ch.Skr. H.E. Dodd, RNR). En-route serveral exercises were carried out.

Royal Navy Submarine HMS Unbroken: HMS Unbroken (Lt. A.C.G. Mars, DSO, RN) torpedoed and damaged the German (former Norwegian) tanker Regina (9545 GRT, built 1937) off Punta Stilo, Sicily, Italy in position 38°15'N, 16°30'E. She was with the Italian Carbonello A.(1593 GRT, built 1942) and escorted by the torpedo boats Angelo Bassini, Climene and destroyer Augusto Riboty. Hit by two torpedoes on the port side, she attempted to return to Taranto. The tug Vigoroso was sailed to assist her but she had to be beached near Punta Stilo. Climene hunted the submarine delivering a first attack with nine depth charges, followed by another with eleven more. Oil was observed coming to the surface and the torpedo boat assumed the submarine sunk but this was not the case. (All times are zone -1) 1415 hours - Heard A/S impulses. Diving stations were ordered and the boat prepared for depth charging. 1428 hours - By now it was obvious that several ships were in the vicinity, so P 42 went to periscope depth in order to have a look at the opposition. 1429 hours - In a 10-second look through the small periscope. Lt. Mars was rather surprised to see two torpedo-boats on the starboard quarter and one on the port, three aircraft and right astern a very large tanker. Started attack. 1434 hours - Fired four torpedoes from 2500 yards. A torpedo explosion was heard 2m 24s after firing the first torpedo. 1436 hours - The counter attack started. The first depth charges were fairly close. 1457 hours - The counter attack was over. 25 depth charges in all had been dropped.

Royal Navy Submarine HMS Unrivalled: HMS Unrivalled (Lt. H.B. Turner, RN) ended her 9th war patrol (7th in the Mediterranean) at Malta.

Royal Navy Submarine HMS Unruffled: HMS Unruffled (Lt. J.S. Stevens, DSO, DSC, RN) departed Malta for her 14th war patrol (13th in the Mediterranean). She is ordered to perform a special operation (beach reconnaissance for the upcoming Operation Husky). No log is available for this period so no map can be displayed.

Royal Navy Submarine HMS Usurper: HMS Usurper (Lt. D.R.O. Mott, DSC, RN) departed Scapa Flow for Holy Loch. She was escorted by HMS Tadoussac (T/Lt. J.P. Davies, RNR).

Royal Navy Submarine HMS Universal: HMS Universal (Lt. C. Gordon, RN) conducted practice attacks at Scapa Flow with officers participating in the C.O.Q.C. (Commanding Officers Qualifying Course).

Royal Navy Submarine HMS Untamed: HMS Untamed (Lt. G.M. Noll, RN) conducted exercises off Blyth.

Royal Navy Submarine HMS Upstart: HMS Upstart (Lt. P.C. Chapman, DSC and Bar, RN) conducted trials in the Clyde area. Due to a defect to her steering gear she had to abandon these trials and return to Holy Loch.

Royal Navy Submarine HMS H 33: HMS H 33 (Lt. J.A. Spender, RN) shifted from Campbeltown to Ardrishaig.

Royal Navy Submarine HMS H 34: HMS H 34 (Lt. J.P. Angell, RN) conducted A/S exercises off Lough Foyle with USS Upshur, HNoMS St. Albans (Lt.Cdr. S.V. Storheill, RNorN), HMS Lotus (Lt.Cdr. H.J. Hall, DSC, RD, RNR).

Royal Navy Submarine HMS P 511: HMS P 511 (Lt. J.S. Launders, RN) conducted A/S exercises off the Isle of Mull together with FFS Commandant Detroyant, HMS Trent (T/A/Lt.Cdr. J.G. Rankin, DSC, RNR) and HMS Wild Goose (Cdr. D.E.G. Wemyss, RN).

US Navy Submarine USS S-44: USS S-44 (Lt.Cdr. F.E. Brown, USN) arrived at the Philadelphia Navy Yard from Trinidad for a refit.

Royal Navy Submarine HMS Graph: HMS Graph (Lt. D. Swanston, DSC and Bar, RN) conducted torpedo firing trials at the torpedo range off Arrochar.

1944

Royal Dutch Navy Submarine HNMS O 10: HrMs O 10 (Lt.Cdr. A. van Altena, RNN(R)) participated in A/S exercises with ML's off Ardishaig.

US Navy Submarine USS Gudgeon: USS Gudgeon (Lt.Cdr Robert Alexander Bonin) departed from Pearl Harbor for her 12th war patrol. She was ordered to patrol in the northern Mariana Islands area.

US Navy Submarine USS Flasher: USS Flasher (Lt.Cdr. R.T. Whitaker) departed from Fremantle for her 2nd war patrol. She was ordered to patrol in the South China Sea along the coast of French Indochina.

US Navy Submarine USS Hoe: USS Hoe (Lt.Cdr. V.B. McCrea) departed from Fremantle for her 4h war patrol. She was ordered to patrol in the South China Sea.

US Navy Submarine USS Puffer: USS Puffer (Lt.Cdr. F.G. Selby) ended her 3rd war patrol at Fremantle.

US Navy Submarine USS Rasher: USS Rasher (Lt.Cdr. W.R. Laughon) ended her 3rd war patrol at Fremantle.

US Navy Submarine USS Rock: USS Rock (Cdr. J.J. Flachsenhar) departed from Pearl Harbor for her 2nd war patrol. She was ordered to patrol off Honshu in Japanese home waters.

US Navy Submarine USS Scamp: USS Scamp (Lt.Cdr. John Christie Hollingsworth) sets a Japanese trawler ablaze with gunfire. Unfortunately Scamp's gun malfunctions and she is unable to finish off the damaged Japanese ship.

US Navy Submarine USS Crevalle: USS Crevalle (Cdr. F.D. Walker, Jr., USN) departed from Fremantle for her 3rd war patrol. Once again she was ordered to patrol in the South China Sea. For daily and attack positions of USS Crevalle (though not complete) during this patrol see the map below.

US Navy Submarine USS Apogon: USS Apogon (Cdr. W. P. Schoeni, USN) refuels at Johnston Island.

US Navy Submarine USS Apogon: USS Apogon (Cdr. W.P. Schoeni, USN) Topped up with fuel and provisions at Johnston Island.

US Navy Submarine USS Batfish: USS Batfish (Lt.Cdr. W.R. Merrill, USN) departed her patrol area for Midway.

Royal Navy Submarine HMS Sealion: HMS Sealion (Lt. P.E. Newstead, DSC, RN) conducted exercises in the Clyde area.

Royal Navy Submarine HMS Sirdar: HMS Sirdar (Lt. J.A. Spender, RN) arrived at Malta.

Royal Navy Submarine HMS Spiteful: HMS Spiteful (Lt.Cdr. F.H. Sherwood, DSC, RCNVR) departed Suez for Aden.

Royal Navy Submarine HMS Surf: HMS Surf (Lt. D. Lambert, DSC, RN) departed Trincomalee for her 6th war patrol (2nd in the Far East). She was ordered to patrol the Northern entrance to the Malacca Strait on an anti-submarine patrol. Before proceeding on patrol A/S exercises were carried out with HrMs Tjerk Hiddes (Lt.Cdr. G.A. Cox, RNN) and HMAS Nepal (Lt.Cdr. J. Plunkett-Cole, RAN). She was escorted out by the Italian sloop Eritrea.

Royal Navy Submarine HMS Surf: For the daily positions of HMS Surf during her 6th war patrol see the map below.

Royal Navy Submarine HMS Telemachus: HMS Telemachus (Cdr. W.D.A. King, DSO, DSC, RN) departed Kames Bay for Port HHZ. She was escorted by HMS Alecto (A/Capt. (Retd.) A.L. Sanders, RN).

Royal Navy Submarine HMS Thorough: HMS Thorough (Lt.Cdr. J.G. Hopkins, RN) departed the Clyde area for Larne. She was escorted by HMS ML 115 (T/Lt. O.B. Deiter, RNVR).

Royal Navy Submarine HMS Unbending: HMS Unbending (Lt. J.D. Martin, DSC, RN) conducted exercises off Blyth with a training class of new submariners.

Royal Navy Submarine HMS United: HMS United (Lt. N.R. Wood, RN) conducted A/S exercises off Tobermory together with HMS Rowley (Lt.Cdr. F.J.G. Jones, RD, RNR) and HMS Retalick (Lt. J.S. Brownrigg, RN).

Royal Navy Submarine HMS Ultor: HMS Ultor (Lt. G.E. Hunt, DSC and Bar, RN) had to break off a gun action off Port Paleo, Monemvasia, Greece when a shell is jammed in the gun. The vessel attacked was the German auxiliary ND-187 (Albatros). Later on the same day Ultor sinks a caique with gunfire in the Aegean north-east of Monemvasia, Greece in position 36°49'N, 23°17'E. (All times are zone -2) 0938 hours - Surfaced in position 36°43'N, 23°02'E and opened fire on a 60 tons caique off Port Paleo. Range was 1500 yards. After firing three rounds the fourth round jammed in the gun. On being extracted the shell was left in the barrel. By this time a gun (thought to be 3") had opened fire so the action had to be broken off. 0942 hours - Dived and proceeded to seaward. Then set course for Anti-Milos. --------------------------------------------------------- 1655 hours - Sighted the masts and sails of a caique bearing 350°, altered course and increased speed to intercept. The targets course was 170°. 1730 hours - Estimated the caique to be at least 40 tons and making about 7 knots under sail and auxiliary engine. Went to 'stand by gun action'. 1757 hours - Surfaced for gun action in position 36°49'N, 23°17'E, on the targets port quarter at a range of 1700 yards. Managed to eject the offending shell of this moorings action and open fire within one minute. 1759 hours - After the first three rounds, one of which hit amidships, the crew abandoned ship. Closed to point blank range and put two rounds into the waterline, whereupon there was a huge explosion. 1803 hours - The target sank, leaving the sea littered with oil drums. 1804 hours - Observed the crew to climb into a dinghy which had floated off when the caique sank. 1806 hours - Dived and continued towards Anti-Milos.

Royal Navy Submarine HMS Universal: HMS Universal (Lt. C. Gordon, RN) departed La Maddalena for her 9th war patrol (8th in the Mediterranean). She was ordered to patrol off southern France. As no log is available for this period no map for this patrol can be displayed.

Royal Navy Submarine HMS Untiring: HMS Untiring (Lt. R. Boyd, DSC, RN) departed La Maddalena for her 9th war patrol (7th in the Mediterranean). She was ordered to patrol off southern France. For the daily and attack positions og HMS Untiring during this patrol see the map below.

Royal Navy Submarine HMS Varangian: HMS Varangian (Lt. S.J. Fovargue, RN) conducted exercises off Fishguard with aircraft.

Royal Navy Submarine HMS Unswerving: HMS Unswerving (T/Lt. M.D. Tattersall, RNVR) was docked in No.1 dock at Malta.

Royal Norwegian Navy Submarine HNoMS Ula: HNoMS Ula (Lt. S. Valvatne) torpedoed and damaged the German tanker Ill (read ill) (7603 GRT, former Norwegian Turicum offsite link) off Stadlanded, Norway in position 62°15'N, 04°58'E. Ula fired four torpedoes, one of these hit and damaged the Ill. The tanker Ill was in convoy with seven merchants escorted by seven escorts. Two escorts (V 5303 and V 5304) attacked Ula for several hours with total of 114 depth charges. Ula finally escaped under a minefield. (All times are zone -1) Details of this attack can not be provided (the patrol report is unreadable, there is not much ink left on the papers).

Royal Navy Submarine HMS Vampire: HMS Vampire (Lt. C.W. Taylor, RNR) conducted A/S exercises off Gibraltar with HMS Anthony (Lt.Cdr. J.H. Wallace, DSC, RN) and HMS Brilliant (Lt.Cdr. J. Smallwood, RN).

Royal Navy Submarine HMS Visigoth: HMS Visigoth (Lt. J.R.H. Haddow, DSC, RN) departed Holy Loch for Scapa Flow. She was escorted by HMS Sardonyx (A/Lt.Cdr. T.A. Easton, RNVR).

Royal Navy Submarine HMS Voracious: Voracious (Lt. F.D.G. Challis, DSC, RN) conducted exercises off Blyth.

Royal Navy Submarine HMS H 28: HMS H 28 (Lt. A.S. Melville-Ross, DSC, RN) conducted A/S exercises off Lough Foyle with HMS Watchman (Lt. C.E. Sheen, DSC, RN).

Royal Navy Submarine HMS H 34: HMS H 34 (Lt. R.L. Jay, RN) conducted A/S exercises off Campbeltown with HMS La Cordeliere (Lt.Cdr. A.J.G. Barff, RNR) and HMS St. Modwen (Lt.Cdr. J.M. Lycett, DSC, RNR).

Royal Navy Submarine HMS P 511: HMS P 511 (Lt. E.A. Hobson, DSC, RN) participated in A/S exercises off Campbeltown.

Royal Navy Submarine HMS P 512: HMS P 512 (Lt. J.A. Wingate, DSC, RN) participated in A/S exercises off Bermuda.

US Navy Submarine USS R-4: USS R-4 (Lt.Cdr. W.L. Fey, Jr., 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-14: USS R-14 (Lt.Cdr. R. Holden, 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.

US Navy Submarine USS Pipefish: USS Pipefish conducted exercises off Key West.

1945

US Navy Destroyer USS Aaron Ward (iii): USS Aaron Ward departed from the Okinawa area bound for Saipan.

US Navy Destroyer USS Hugh W. Hadley: USS Hugh W. Hadley (Cdr. B.J. Mullaney) departed from the Okinawa area with a convoy bound for Saipan.

US Navy Destroyer USS Walke (ii): USS Walke completes her repairs at the Mare Island Navy Yard.

Royal Dutch Navy Submarine HNMS O 24: HrMs O 24 (Lt.Cdr. P.J.S. de Jong, RNN) departed Colombo for Trincomalee.

Royal Dutch Navy Submarine HNMS Tijgerhaai: HrMs Tijgerhaai (Lt.Cdr. A. van Altena, RNN) arrived at Holy Loch from her builders yard for a training period.

US Navy Submarine USS Gabilan: USS Gabilan (Lt.Cdr. W.D. Parham) sank a small Japanese vessel with gunfire in the Java Sea in position 05°56'S, 118°45'E.

US Navy Submarine USS Tunny: USS Tunny (Cdr. G.E. Pierce) sank a Japanese sampan with gunfire east of the Bonin Islands in position 29°27'N, 146°42'E.

US Navy Submarine USS Billfish: USS Billfish (Lt.Cdr. L.C. Farley, USNR) conducted exercises off Pearl Harbour together with USS Burden R. Hastings (Lt.Cdr. J.W. Stivers, USNR).

US Navy Submarine USS Devilfish: USS Devilfish (Lt.Cdr. S.S. Mann, Jr.) ended her 2nd war patrol at Pearl Harbor.

US Navy Submarine USS Moray: Having completed her torpedo trials, USS Moray (Cdr. F.L. Barrows, USN), returned to New London, Connecticut.

US Navy Submarine USS Besugo: At 1125 hours, USS Besugo (Lt.Cdr. H.E. Miller, USN), sighted the Japanese anti-aircraft (licht) cruiser Isuzu an her escorts the torpedo boat Kari and minesweepers W 12 and W 15 (all offsite links) in position 06°51'S, 117°57'E. Besugo was unfortunately not able to attack. She set off in pursuit of the enemy.

US Navy Submarine USS Blackfin: In the evening, USS Blackfin (Lt.Cdr. W.L. Kitch, USN), made the southbound passage of Lombok Strait on the surface.

US Navy Submarine USS Carbonero: USS Carbonero (Cdr. C.L. Murphy, USN) conducted exercises off Key West.

US Navy Submarine USS Carp: USS Carp (Lt.Cdr. J.L. Hunnicutt, USNR) conducted exercises in Long Island Sound together with USS Gilette (Lt.Cdr. J.W. Daniel, Jr. USNR) and USS Baker (Lt.Cdr. N.C. Hoffman, USNR).

US Navy Submarine USS Catfish: USS Catfish (Lt.Cdr. W.A. Overton, USNR) conducted exercises in Long Island Sound together with USS Bronstein (Lt. J.H. Longley, USNR).

US Navy Submarine USS Sterlet: USS Sterlet (Lt.Cdr. H.H. Lewis) ended her 3rd war patrol at Midway.

Royal Navy Submarine HMS Safari: HMS Safari (Lt.Cdr.(Retd.) J.R.G. Harvey, RN) conducted exercises for the C.O.Q.C. (Commanding Officers Qualifying Course) in the Clyde area.

Royal Navy Submarine HMS Satyr: HMS Satyr (Lt. J.N. Elliot, RN) conducted A/S exercises off Loch Alsh with ships from the 2nd Escort Group.

Royal Navy Submarine HMS Strongbow: After a long period of repairs HMS Strongbow (Lt. J.A.R. Troup, DSC, RN) conducted engine trials off Trincomalee.

Royal Navy Submarine HMS Spark: HMS Spark (Lt. D.G. Kent, RN) fired four torpedoes against the Japanese anti-aircraft cruiser Isuzu in the Flores Sea in position 07°24'S, 118°47'E. No hits were obtained. (All times are zone -8) 1600 hours - In position 07°24'S, 118°47'E sighted masts and smoke of cruiser and escorts bearing 290°. Range was 8 nautical miles. These ships were soon identified as a Natori-class cruiser with three escorts. [In fact it was the Japanese anti-aircraft cruiser Isuzu escorted by the torpedo boat Kari and minesweepers W 12 and W 15 (all offsite links).] Started attack. 1639 hours - Fired four torpedoes at the cruiser from 8000 yards. 1646 hours - Heard four explosions. The first one was thought to be a hit [this was not the case]. The results however not observed as Spark went deep upon firing. No counter attack however followed.

Royal Navy Submarine HMS Scythian: During 4 and 5 April HMS Scythian (T/Lt C.P. Thode, RNZNVR) conducted exercises off Trincomalee. These also included night exercises.

Royal Navy Submarine HMS Stubborn: HMS Stubborn (Lt. A.G. Davies, RN) is undocked.

Royal Navy Submarine HMS Scotsman: HMS Scotsman (Lt. A.H.B. Anderson, DSC, RNR) conducted independent exercises off Loch Alsh.

Royal Navy Submarine HMS Spirit: HMS Spirit (Lt. A.W. Langridge, RN) was put back in the water.

Royal Navy Submarine HMS Sturdy (ii): HMS Sturdy (T/Lt. F.A. Wicker, RNVR) is put on the slipway at Fremantle.

Royal Navy Submarine HMS Supreme: HMS Supreme (Lt.Cdr. T.E. Barlow, RN) arrived at Fremantle.

Royal Navy Submarine HMS Tribune: HMS Tribune (Lt. A.D. Piper, DSO, DSC, RD, RNR) conducted exercises off Blyth with a training class of new submariners.

Royal Navy Submarine HMS Taku: HMS Taku conducted exercises off Blyth with a training class of new submariners.

Royal Navy Submarine HMS Tactician: HMS Tactician (Lt.Cdr. L.N.A. Jewell, DSC, MBE, RN) conducted A/S exercises off Campbeltown with HMS Altair (T/Lt. J.L. James, RNR).

Royal Navy Submarine HMS Trespasser: HMS Trespasser (Lt. L.E. Herrick, DSC, RN) conducted attack exercises in the Clyde area during which HMS Shikari (Lt. E.A. Tyrer, DSC, RN) served as the target. These included night exercises. HMS Trespasser returned to Holy Loch early the next day.

Royal Navy Submarine HMS Totem: HMS Totem (Lt.Cdr. M.B. St. John, DSC, RN) arrived at Lerwick.

Royal Navy Submarine HMS Taciturn: HMS Taciturn (Lt.Cdr. E.T. Stanley, DSO, DSC, RN) arrived at Trincomalee.

Royal Navy Submarine HMS Tapir: HMS Tapir (Lt. J.C.Y. Roxbourgh, DSO, DSC, RN) arrived at Lerwick.

Royal Navy Submarine HMS Unruffled: HMS Unruffled (T/Lt. A.H. MacCoy, DSC, SANF(V)) conducted A/S exercises off Bermuda together with HMCS Waskesiu (T/Lt. L.D. Quick, RCNR) and HMCS Prince Rupert (T/Lt.Cdr. R.W. Draney, RCNR).

Royal Navy Submarine HMS Unshaken: HMS Unshaken (Lt. J.S. Pearce, RNR) conducted exercises off Portsmouth.

Royal Navy Submarine HMS Universal: HMS Universal (Lt. S.S. Brooks, DSC, RN) conducted A/S exercises off Campbeltown with HMS ML 472 (T/Lt. V.H. Harris, RNVR) and HMS HDML 1029 (T/Lt. N.A.W. Herboldt, RNVR).

Royal Navy Submarine HMS Untamed: HMS Vitality (Lt. W.T.J. Fox, RN) conducted A/S exercises off Tobermory with E.G. 2.

Royal Navy Submarine HMS Urtica: HMS Urtica (Lt. R.C. Bucknall, RN) shifted from Campbeltown to Rothesay.

Royal Navy Submarine HMS Vagabond: HMS Vagabond (Lt. I.M. Stoop, DSC, RN) participated in A/S exercises at/off Scapa Flow.

Royal Navy Submarine HMS Varne: HMS Varne (Lt. I.G. Raikes, DSC, RN) arrived at Lerwick.

Royal Navy Submarine HMS Volatile: HMS Volatile (Lt. F.R. Lawrence, RN) participated in A/S exercises off Tobermory.

Royal Navy Submarine HMS Voracious: HMS Voracious (Lt. F.D.G. Challis, DSC, RN) conducted A/S exercises off Sydney with HMAS Bathurst (A/Lt.Cdr. K.O. Stewart, RANR).

Royal Navy Submarine HMS Vulpine: HMS Vulpine (Lt. W.D.S. Scott, RN) conducted A/S exercises off Campbeltown with HMS Ambuscade (A/Lt.Cdr. H.G. Chesterman, DSC and Bar, RNR) and HMS Shemara (Cdr.(Retd.) H. Buckle, RN).

Royal Navy Submarine HMS Amphion: HMS Amphion (Cdr. R.H. Dewhurst, DSO, RN) conducted noise trials in Loch Goil.

Royal Navy Submarine HMS H 34: HMS H 34 (Lt. A.M.B. Buxton, RN) conducted A/S exercises off Campbeltown with HMS Spaniel (T/Skr. J. Bruce, RNR) and HMS Tuscarora (T/Lt. J. Smith, RNVR).

Royal Navy Submarine HMS H 50: HMS H 50 (T/Lt. G.P. Christie, DSC, RNR) conducted special trials in the Clyde area.

Royal Navy Submarine HMS H 50: HMS H 50 (T/Lt. G.P. Christie, DSC, RNR) conducted special trials in the Clyde area.

US Navy Submarine USS R-2: USS R-2 (Lt.Cdr. L.G. Bernard, 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. M. Abrahams, 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.

Soviet Navy Submarine USSR K-56: K-56 fires four torpedoed against the German auxiliary submarine chaser UJ 1201 31 nautical miles north-west of the Stilo lighthouse in position 55°08'N, 17°01'E. The torpedoes however miss their target.

Royal Navy Submarine HMS Vengeful: HMS Vengeful (Lt. A.S. Melville-Ross, DSC, RN) conducted A/S exercises off Gibraltar with HMS Bellwort (T/A/Lt.Cdr. L.V. Banks, RNVR) and aircraft.

US Navy Tank landing ship USS LST 675: LST-675 suffered severe damage due to enemy action at Okinawa, 4 April 1945 and was deemed unsalvageable and abandoned (navsource.org).

1967

Royal Navy Minesweeper HMS Rosario: P de Moor departed from Oostende, Belgium towards Australia for a 6 month scientific expedition. Total distance of the voyage more than 63,000 km in 322 days. Ports of call: Tunis, Port Sa?d, Massawa, Colombo, Djakarta, Fremantle, Melbourne, Sydney, Brisbane, Cairns, Gladstone, Townsville, Darwin, Singapore, Cochin, Diego Suarez, Cape town, Abidjan, Tenerife. Returned to Ostende on 20 February 1968. The ship had to return via South Africa due the war between Egypt and Israel.

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