Allied Warships

Events on this day

20 May

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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 (38)

1936: French Navy Destroyer Le Hardi

1939: Royal Navy ASW Whaler Thirlmere (FY 206) - Royal Navy ASW Whaler Windermere (FY 207)

1940: Royal Navy Destroyer Orwell (G 98)

1941: Royal Navy Corvette Pink (K 137) - US Navy Destroyer Barton (i) (DD 599) - US Navy Patrol craft PC-552 (PC-552) - US Navy Minesweeper YMS-54 (YMS-54)

1942: Royal Canadian Navy Destroyer Micmac (R 10) - Royal Canadian Navy Destroyer Nookta (R 96) - Royal Navy Frigate Fal (K 266) - Royal Navy Motor Launch ML 399 (ML 399) - US Navy Submarine Chaser SC 1473 (SC 1473) - US Navy Submarine chaser SC-1059 (SC-1059) - US Navy Minesweeper YMS-135 (YMS-135) - US Navy Minesweeper YMS-241 (YMS-241) - US Navy Minesweeper YMS-260 (YMS-260)

1943: Royal Navy Frigate Gardiner (K 478) - Royal Navy Frigate Goodall (K 479) - Royal Navy Frigate Goodson (K 480) - Royal Navy Frigate Gore (K 481) - Royal Navy Landing Craft Tank LCT 929 (LCT 929) - Royal Navy Destroyer St. James (R 65) - US Navy Frigate Annapolis (PF-15) - US Navy Frigate Bangor (PF-16) - US Navy Tank landing ship LST 228 (LST 228) - US Navy Motor torpedo boat PT 380 - US Navy Oiler Sebec (AO 87)

1944: US Navy Destroyer John A. Bole (DD 755) - US Navy Landing Craft Infantry LCI(L)-636 (LCI(L)-636) - US Navy Landing Craft Infantry LCI(L)-691 (LCI(L)-691) - US Navy Landing craft tank LCT 1093 (LCT 1093) - US Navy Landing craft tank LCT 1154 (LCT 1154) - US Navy Landing craft tank LCT 1155 (LCT 1155) - US Navy Landing craft tank LCT 837 (LCT 837) - US Navy Landing craft tank LCT 881 (LCT 881) - US Navy Tank landing ship LST 755 (LST 755) - US Navy Tank landing ship LST 927 (LST 927)

Launched (43)

1905: Royal Navy Armed Yacht Altair (FY 029)

1915: Italian Navy Torpedo boat Antonio Mosto

1916: Royal Navy MS Trawler Franc Tireur (FY 1560) - Royal Navy MS Trawler Seddon (FY 1993)

1919: Royal Navy Tug Cochin

1920: Royal Navy MS Trawler Windward Ho (FY 574)

1931: Royal Navy Armed Merchant Cruiser Corfu (F 86)

1935: Royal Navy ASW Trawler Lord Stamp

1939: French Navy Destroyer Lansequenet - Royal Navy Submarine Taku (N 38)

1941: US Navy Motor torpedo boat PT 28

1943: Royal Navy Boom defence vessel Bartizan (Z 261) - Royal Navy Minesweeper Florizel (J 404) - Royal Navy Minesweeper Foam (J 405) - Royal Navy Landing Craft Tank LCT 718 (LCT 718) - Royal Navy Motor minesweeper MMS 275 (J 775) - Royal Navy Escort Carrier Nairana (D 05) - Royal Navy Frigate Tees (K 293) - US Navy Net tender Ailanthus (AN 38) - US Navy Destroyer Escort Barber (DE 161) - US Navy Frigate Belfast (PF-35) - US Navy Destroyer Escort Greiner (DE 37) - US Navy Landing Craft Infantry LCI(L)-355 (LCI(L)-355) - US Navy Motor torpedo boat PT 365 - US Navy Submarine chaser SC-1071 (SC-1071) - US Navy Submarine chaser SC-1370 (SC-1370) - US Navy Salvage vessel Valve (ARS 28) - US Navy Minesweeper YMS-353 (YMS-353)

1944: Royal Navy Aircraft Carrier Pioneer (D 76) - Royal Navy Aircraft Carrier Warrior (31) - US Navy Landing Craft Infantry LCI(L)-1003 (LCI(L)-1003) - US Navy Landing Craft Infantry LCI(L)-1004 (LCI(L)-1004) - US Navy Landing Craft Infantry LCI(L)-1005 (LCI(L)-1005) - US Navy Landing Craft Infantry LCI(L)-1067 (LCI(L)-1067) - US Navy Landing Craft Infantry LCI(L)-688 (LCI(L)-688) - US Navy Landing craft tank LCT 835 (LCT 835) - US Navy Tank landing ship LST 569 (LST 569) - US Navy Tank landing ship LST 747 (LST 747) - US Navy Patrol craft PCS-1400 (PCS-1400) - US Navy Submarine Sea Poacher (406) - US Navy Destroyer Shea (DM 30) - US Navy Destroyer Escort Walton (DE 361) - US Navy Minesweeper YMS-431 (YMS-431)

Commissioned (40)

1918: US Navy Battleship New Mexico (BB 40)

1930: Italian Navy Destroyer Nicoloso da Recco

1935: French Navy Submarine La Sultane

1936: US Navy Destroyer Clark (DD 361)

1940: Royal Navy MS Trawler Olive (T 126)

1941: Royal Navy Sloop Landguard (Y 56) - Royal Navy Motor Launch ML 185 (ML 185) - Royal Navy Motor Launch ML 264 (ML 264)

1942: Royal Navy Boom defence vessel Barbourne (Z 170) - Royal Navy MS Trawler Bressay (T 214) - Royal Navy Landing Craft Tank LCT 328 (LCT 328) - Royal Navy Minelayer M 6 (M 94) - Royal Navy Motor Launch RML 517 (RML 517) - US Navy Submarine Kingfish (234) - US Navy Submarine chaser SC-532 (SC-532)

1943: Royal Navy Boom defence vessel Barilla (Z 17) - Royal Navy Harbour Defence Motor Launch HDML 1278 (ML 1278) - US Navy Tank landing ship LST 69 (LST 69) - US Navy Submarine chaser SC-1020 (SC-1020) - US Navy Submarine chaser SC-737 (SC-737)

1944: Royal Canadian Navy Frigate La Hulloise (K 668) - Royal Navy Motor Launch ML 860 (ML 860) - Royal Navy Minesweeper Regulus (ii) (J 327) - Royal Navy Submarine Supreme (P 252) - US Navy Submarine Baya (318) - US Navy Escort carrier Bismark Sea (CVE 95) - US Navy Landing Craft Infantry LCI(L)-614 (LCI(L)-614) - US Navy Landing Craft Infantry LCI(L)-758 (LCI(L)-758) - US Navy Landing Craft Infantry LCI(L)-984 (LCI(L)-984) - US Navy Medium landing ship LSM 130 (LSM 130) - US Navy Medium landing ship LSM 131 (LSM 131) - US Navy Medium landing ship LSM 4 (LSM 4) - US Navy Tank landing ship LST 563 (LST 563) - US Navy Tank landing ship LST 667 (LST 667) - US Navy Tank landing ship LST 995 (LST 995) - US Navy Patrol craft PC-1144 (PC-1144) - US Navy Destroyer Taussig (DD 746) - US Navy Destroyer Wren (DD 568)

1945: US Navy Seaplane tender Greenwich Bay (AVP 41) - US Navy Oiler Tamalpais (AO 96)

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 20 May (5)


1940: Royal Navy MS Trawler Rifsnes

1941: Royal Navy Minesweeper Widnes (J 55)

1944: Royal Navy MS Trawler Wyoming (FY 1862) - Royal Dutch Navy Motor minesweeper Marken (i) (FY 227)

1945: US Navy Tank landing ship LST 808 (LST 808)

More information on Allied Warships losses.


General Events on 20 May


1940

Royal Dutch Navy Light cruiser HNMS Tromp: HrMs Tromp (Capt. J.W. Termijtelen, RNN) returned to Surabaya. She was docked later the same day.

Royal Navy Submarine HMS Otway: HMS Otway (Lt.Cdr. D.E. Mansfield, RN) conducted exercises off Portsmouth.

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

Royal Navy Submarine HMS Rainbow: HMS Rainbow (Lt.Cdr. L.P. Moore, RN) conducted exercises off Singapore with HMS Stronghold (Lt.Cdr. R. Alexander, RN) and HMS Scorpion (Cdr.(Retd.) F.W. Crowther, DSC, RN).

Royal Navy Submarine HMS Narwhal: HMS Narwhal (Lt.Cdr. R.J. Burch, RN) was docked at Blyth. The date of undocking is currently not known to us.

Royal Navy Submarine HMS Rorqual: HMS Rorqual (Lt.Cdr R.H. Dewhurst, RN) departed Alexandria for Malta.

Royal Navy Submarine HMS Salmon: HMS Salmon (Cdr. E.O. Bickford, DSO, RN) departed Harwich for her 7th war patrol. She was to patrol in the North Sea and to aid in special operation Lamp. The cutting of an underwater cable between the Netherlands and the U.K. For the daily positions of HMS Salmon during this patrol see the map below.

Royal Navy Submarine HMS Spearfish: HMS Spearfish (Lt.Cdr. J.H. Forbes, DSO, RN) sank the Danish fishing vessels S 130 / Orkney and S 175 / Söstjernen with gunfire in the North Sea in approximate position 54°58'N, 03°35'E. (All times are zone -1) 0115 hours - Sighted a white light thought to be a fishing vessel. 0153 hours - Whilst working round to bring the white light 'up moon' from Spearfish. Sighted a small dark object on the port beam, distance two nautical miles. Turned towards and dived to 45 feet. 0240 hours - Came to periscope depth. Made out a fishing boat without lights, range was now 250 yards. 0255 hours - Surfaced. Took of the crew (two men, two boys and a dog). Whilst they were going down the conning tower hatch a periscope was sighted 500 yards away. Dived. 0333 hours - Surfaced. Saw that the periscope was a dan buoy. Picked up the dog which had been left on the casing when Spearfish dived at 0255 hours. Attempted to sink the fishing vessel by ramming. Got our bow stuck in the fishing vessel and Spearfish only came lose after going full astern for 10 minutes. Sank the fishing vessel with five rounds of HE. 0350 hours - Proceeded on the surface towards the second fishing vessel. 0405 hours - Dived for an aircraft approaching from the north. 0430 hours - Surfaced. 0450 hours - Took of the crew (three men) of the second fishing vessel and sank it with three rounds of HE. 0500 hours - Dived.

Royal Navy Submarine HMS Truant: HMS Truant (Lt.Cdr. H.A.V. Haggard, RN) arrived at Tromsø, Norway for orders.

Royal Navy Submarine HMS H 28: HMS H 28 (Lt. E.A. Woodward, RN) shifted from Portsmouth to Portland to continue in her role of A/S training submarine.

Royal Navy Submarine HMS H 33: HMS H 33 (Lt. G.C.I.St B.S. Watkins, RN) departed Plymouth for her 3rd war patrol. She is ordered to patrol off the west coast of Ireland with HMS H 43 (Lt. G.R. Colvin, RN) and HMS Manor (T/Lt. A. Rosling, RNVR).

Royal Navy Submarine HMS H 33: For the daily positions of HMS H 33 during her 3rd war patrol see the map below.

Royal Navy Submarine HMS H 43: HMS H 43 (Lt. G.R. Colvin, RN) departed Plymouth for her 4th war patrol. She is to patrol off the west coast of Ireland with the ASW trawler HMS Manor (T/Lt. A. Rosling, RNVR). For the daily positions of HMS H 43 during this patrol see the map below.

French Navy Submarine FR Antiope: While on patrol in the North Sea, Antiope (Lt. M.A.L. Balastre) fires 3 torpedoes at her sister ship La Sybille (Lt.Cdr. A.J.R. Raybaud) in position 53°23'N, 03°44'E. Fortunately the torpedoes miss their target.

1941

Royal Navy Heavy cruiser HMS Exeter: HMS Exeter (Capt. O.L. Gordon, MVO, RN) departed Scapa Flow for Greenock.

Royal Dutch Navy Submarine HNMS O 9: HrMs O 9 (Lt. H.A.W. Goossens, RNN) conducted R.D.F. trials off Holyhead with HMS PC 74 (A/Cdr.(Retd.) C.E.H. White, RN).

Royal Dutch Navy Submarine HNMS O 10: HrMs O 10 (Lt. J.H. Geijs, RNN) participated in A/S exercises off Lough Foyle together with HMCS Eyebright (T/Lt. E. Randell, RCNR) and HMS Carnation (Lt.Cdr. G.W. Houchen, OBE, RNR).

Royal Navy Submarine HMS Parthian: HMS Parthian (Cdr. M.G. Rimington, DSO, RN) was undocked.

Royal Navy Submarine HMS Porpoise: HMS Porpoise (Lt.Cdr. J.G. Hopkins, RN) shited from Holy Loch to Troon where she commenced a refit.

Royal Navy Submarine HMS Sturgeon: HMS Sturgeon (Lt.Cdr. D. St. Clair-Ford, RN) conducted exercises off Dartmouth.

Royal Navy Submarine HMS Tribune: HMS Tribune (Lt.Cdr. R.G. Norfolk, RN) departed from convoy HX-126.

Royal Navy Submarine HMS Triumph (i): HMS Triumph (Lt.Cdr. W.J.W. Woods, RN) is undocked.

Royal Navy Submarine HMS Truant: HMS Truant (Lt.Cdr. H.A.V. Haggard, RN) departed from Gibraltar bound for the U.S.A. where she is to refit. Following the sinking of the German battleship Bismarck, Truant was ordered patrol an area centred on 41°34'N, 39°37'W then on 30 May, she was patrol on a line from 44°00'N, 41°00'W to 41°00'N, 44°00'W but sighted nothing. On 1 June, Truant sighted an unidentified ship and gave chase at 14 knots but then gave up when she was informed by the Admiralty that it was unlikely the ship was hostile. For the daily positions of HMS Truant during this passage see the map below.

Royal Navy Submarine HMS Upholder: HMS Upholder (Lt.Cdr. M.D. Wanklyn, RN) fires four torpedoes at a convoy near Capo dell'Armi in position 37°57'N, 15°40'E. The torpedoes however miss their target. (All times are zone -2) 1835 hours - Sighted a convoy of one escort vessel, two medium seized tankers and one merchant vessel in position 37°57'N, 15°40'E. Enemy course was 140°, speed 9 knots. Closed to attack the leading tanker, a ship of about 4000 tons. 1844 hours - Fired three torpedoes from a range of 7000 yards. Four torpedoes were intended but no.3 torpedo cap refused to open. 1850 hours - Heard an explosion, possibly a torpedo hit but as Upholder dived to 150 feet upon firing the result could not be seen. Upholder meanwhile retired to the South-West. 1855 to 1915 hours - Six depth charges were dropped about a mile away. Italian records indicate that the freighter Dielpi (1520 GRT, built 1912) escorted by the armed merchant cruiser Attilio Deffenu (3510 GRT, built 1929) were missed by three torpedoes, the tankers Utilitas (5310 GRT, buil 1918) and Urano (5512 GR, built 1923) were in company. The convoy was proceeding from Messina to Taranto but Dielpi escorted by Deffenu was diverted to Crotone before the armed merchant cruiser rejoined the two tankers and resumed their trip to Taranto.

Royal Navy Submarine HMS Urge: HMS Urge (Lt. E.P. Tomkinson, RN) fired four torpedoes at the Italian merchant Capo Orso (3149 GRT, built 1916) about 40 nautical miles North-West of Lampedusa Island in position 35°44'N, 11°59'E. The torpedoes however missed their targets despite the British claim that both ships were sunk. According to Italian sources the destroyer Euro combed the torpedo tracks and dropped depth charges, claiming the submarine sunk but Urge escaped damage. 0932 hours - Sighted a destroyer bearing 020° with other ships astern. Enemy course was 100°. 0934 hours - This destroyer turned out to be the Starboard screen ship of a force of two Italian light cruisers escorted by three destroyers. They passed at a range of 6 nautical miles. [This was the cover force for the convoy (see below). It was made up of the Italian light cruisers Luigi di Savoia Duca Delgi Abruzzi and Giuseppe Garibaldi. They were escorted by the Italian destroyers Granatiere, Alpino and Bersagliere.] Shortly afterwards another ship was sighted bearing 315°. She was however too far off to be identified. 0940 hours - Sighted an enemy flying boat bearing 080°, range 800 yards and coming straight towards. Went to 90 feet and altered course. 0947 hours - Returned to periscope depth. The ship previously sighted was now seen to be a destroyer. She was zig-zagging ahead of a convoy of four ships. Enemy course was 135° at a speed of 12 knots. Five destroyers were escorting this convoy. Started attac in which four torpedoes were fired. Went deep on firing. Three hits were claimed. The fourth torpedo is thought to have hit at a range of 500 yards. A terrific explosion followed causing minor damage to Urge and injuring several of her crew. Urge meanwhile had gone to 278 feet. 10 Depth charges were dropped during the next 10 minutes but none were very close. 1135 hours - Returned to periscope depth. Nothing in sight. [The convoy attacked was made up of the German merchants Preussen (GRT, built), Sparta (1724 GRT, built 1927), the Italian merchants Panuco (GRT, built) and the above mentioned Capo Orso as well as the Italian tankers Panuco (7750 GRT, built 1941), Castelverde (6958 GRT, built 1921), and Superga (6154 GRT, built 1923) [26.Seetranport convoy]. They were escorted by the Italian destroyers Folgore, Euro, Fulmine, Strale and Turbine].

Royal Navy Submarine HMS H 28: HMS H 28 (Lt. D.S.R. Martin, RN) participated in A/S exercises off Tobermory.

Royal Navy Submarine HMS H 32: HMS H 32 (Lt. B.G. Heslop, DSC, RN) conducted A/S exercises off Campbeltown with HMS St. Modwen (Cdr.(Retd.) W.A. Ford, RN) and HMS L' Atlantique.

Royal Navy Submarine HMS H 32: HMS H 32 (Lt. B.G. Heslop, DSC, RN) conducted A/S exercises off Campbeltown with HMS La Cordeliere and HMS L' Atlantique.

Royal Navy Submarine HMS H 33: HMS H 33 (Lt. C.H. Rankin, RN) participated in A/S exercises off Campbeltown.

Royal Navy Destroyer HMS Burnham: The British merchant Harpagus is torpedoed and sunk by German U-boat U-94 about 250 nautical miles south-south-east of Cape Farewell in position 56°47'N, 40°55'W. HMS Burnham (Cdr. J. Bostock, DSC, RN) later picks up 40 survivors.

Royal Navy Corvette HMS Columbine: HMS Columbine (T/Lt. S.J. Lavis, RNR) picks up survivors from the Dutch tanker Marisa that was sunk on 17 May 1941 east of Freetown in position 06°10'N, 18°09'W by German U-boat U-107.

Royal Navy Destroyer HMS Lincoln: At 21.24 hours on 20 May 1941, the British merchant Javanese Prince is torpedoed and sunk by German U-boat U-138 155 nautical miles north-west of the Butt of Lewis, Outer Hebrides. One crew member was lost. The master, 45 crew members, eight gunners and four passengers were picked up by the British destroyers HMS Faulknor (Capt A.F. de Salis, RN), HMS Lincoln (Lt. R.J. Hanson, RN) and the British rescue tug HMRT Assurance (Sub.Lt. E.E. Litts). All survivors were transferred to the British rescue ship Toward and landed at Gourock on 28 May.

Royal Navy Submarine HMS L 26: With her repairs completed, HMS L 26 (Lt. M.B. St. John, RN), departed Plymouth for Rothesay. She was escorted by HrMs Z 5 (Lt. J.J. Steensma, RNN).

1942

Royal Navy Light cruiser HMS Manchester: HMS Manchester (Capt. H. Drew, DSC, RN) conducted exercises off Scapa Flow.

US Navy Destroyer USS Barney: USS Barney picks up 43 survivors from the Panamanian tanker Sylvan Arrow that was torpedoed and sunk north-west of Trinidad in position 11°25'N, 62°18'W by German U-boat U-155.

Royal Dutch Navy Submarine HNMS K XIV: HrMs K XIV (Lt. J.H. Geijs, RNN) was docked at Bombay.

Royal Dutch Navy Submarine HNMS O 19: HrMs O 19 (Lt.Cdr. H.F. Bach Kolling, RNN(R)) is docked at Bombay.

Royal Dutch Navy Submarine HNMS O 14: HrMs O 14 (Lt.Cdr. H.A.W. Goossens, RNN) conducted A/S exercises at / off Scapa Flow with HMS Derwent (Cdr. R.H. Wright, DSC, RN), HMS Bleasdale (Lt. P.B.N. Lewis, RN), HMS Lord Lloyd (T/Lt. M.W. Bond, RNVR) and HMS Stoke City (Lt. D.P. Piggford, RNR).

Royal Dutch Navy Submarine HNMS O 9: HrMs O 9 (Lt. J.F. Drijfhout Van Hooff, RNN) participated in A/S exercises off Fairlie.

US Navy Submarine USS Spearfish: USS Spearfish (Lt.Cdr. J.C. Dempsey) ended her 3th war patrol at Fremantle.

US Navy Submarine USS Swordfish: During the night of 20/21 May 1942, USS Swordfish (Lt.Cdr. C.C. Smith, USN), passed Lombok Strait northbound.

Royal Navy Submarine HMS Seawolf: HMS Seawolf (Lt. R.P. Raikes, RN) arrived at Seidesfjord.

Royal Navy Submarine HMS Uproar: HMS P 31 (Lt. J.B.de B. Kershaw, RN) arrived at Port Said. Most likely she was docked here but as there is no log available we are not sure of this.

Royal Navy Submarine HMS Unrivalled: HMS P 45 (Lt. H.B. Turner, RN) conducted trials in lower Loch Long.

Royal Navy Submarine HMS Unshaken: HMS P 54 (Lt. R. Gatehouse, DSC, RN) departed her builders yard at Barrow for Holy Loch. She was escorted by HMS La Capricieuse (Lt.Cdr. G.W. Dobson, RNR).

Royal Navy Submarine HMS H 28: HMS H 28 (Lt. J.S. Bridger, RN) conducted A/S exercises off Lough Foyle with HMS Snowflake (Lt. H.G. Chesterman, RNR), HMS Stork (Cdr. F.J. Walker, DSO, RN), HMS Convolvulus (T/Lt. R.C. Connell, RNR), HMS Gardenia (T/Lt. C.J. Jackson, RNVR), HMS Sabre (Lt. R.L. Caple, DSC, RN) and HMS Scimitar (Lt.Cdr. C.G. Cuthbertson, DSC, RNR).

Royal Navy Submarine HMS H 32: HMS H 32 (Lt. J. Whitton, RN) participated in A/S exercises off Tobermory.

Royal Navy Submarine HMS H 33: HMS H 33 (Lt. D. Lambert, DSC, RN) participated in A/S exercises off Campbeltown.

Royal Navy Submarine HMS H 34: HMS H 34 (Lt. F.D.G. Challis, DSC, RN) departed Sheerness for Portsmouth.

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

Royal Navy Submarine HMS H 50: HMS H 50 (Lt. M.L.C. Crawford, DSC, RN) shifed from Londonderry to Rothesay.

Royal Navy Submarine HMS P 514: HMS P 514 (Lt. W.A. Phillimore, RN) shifted from St. John's to Harbour Grace.

US Navy Submarine USS S-27: USS S-27 (Lt. H.L. Jukes) departed from San Diego, California bound for Dutch Harbour, Alaska.

US Navy Submarine USS S-28: USS S-28 (Lt. J.D. Crowley) departed from San Diego bound for Dutch Harbour. En-route S-28 was ordered to proceed to patrol off Cold Bay. So the transit voyage to Dutch Harbour actually became her 1st war patrol.

US Navy Submarine USS S-42: USS S-42 (Lt. O.G. Krik) ended her 1st war patrol at Brisbane.

US Navy Submarine USS S-47: USS S-47 (Lt. J.W. Davis) ended her 1st war patrol at Brisbane.

US Navy Submarine USS R-2: USS R-2 (Lt. D.T. Hammond, USN) conducted exercises off 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-12: USS R-12 (Lt. E.E. Shelby, USN) participated in A/S exercises of St. Thomas together with USS Davis (Lt.Cdr. M.R. Peterson, USN) and USS Somers (Lt.Cdr. A.C. Wood, USN).

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

Royal Navy Submarine HMS L 23: HMS L 23 (Lt. E.J.D. Turner, DSC, RN) conducted exercises off Blyth with a training class off new submariners.

Royal Navy Submarine HMS P 612: HMS P 612 (Lt. A.J.W. Pitt, RN) departed Alexandria for Iskanderun, Turkey. [No log or passage report is available for this period so no map can be displayed].

Royal Navy Submarine HMS P 615: HMS P 615 (Lt. P.E. Newstead, RN) participated in A/S and attack exercises off Campbeltown.

Royal Navy ASW Whaler HMS Kos XIX: HMS Cocker (T/Lt. J. Scott, RNVR) picks up 43 survivors from the British tanker Eocene that was torpedoed and sunk earlier that day by the German U-boat U-431 about 13 miles northeast of Bardia in position 31°56’N, 25°14’E.

1943

US Navy Battleship USS Iowa: USS Iowa (Capt. J.L. McCrea, USN) conducted trials and exercises in Chesapeake Bay.

Royal Dutch Navy Light cruiser HNMS Tromp: HrMs Tromp (Capt. J.B. de Meester, RNN) conducted exercises off Fremantle together with HrMs Tjerk Hiddes (Lt.Cdr. W.J. Kruys, RNN).

Royal Dutch Navy Submarine HNMS K XIV: HrMs K XIV (Lt. J.H. Geijs, RNN) started to make trial runs on the Delaware river.

Royal Dutch Navy Submarine HNMS K XV: HrMs K XV (Lt.Cdr. Baron C.W.T. van Boetzelaer, RNN) conducted torpedo discharge trials off New London, Connecticut, U.S.A.

Royal Dutch Navy Submarine HNMS Dolfijn: HrMs Dolfijn (Lt.Cdr. H.M.L.F.E. van Oostrom Soede, RNN) departed Algiers for her 8th war patrol (6th in the Mediterranean). She was ordered to patrol to the north of the Straits of Messina. For the daily and attack positions of HrMs Dolfijn during this patrol see the map below. The map is however incomplete. No daily positions are currently known for 1 to 4 June 1943.

US Navy Submarine USS Gar: USS Gar (Lt.Cdr. P.D. Quirk) sank a Sampan with gunfire.

US Navy Submarine USS Pollack: USS Pollack (Lt.Cdr. B.E. Lewellen) torpedoed and sank the Japanese armed merchant cruiser Bangkok Maru (5351 GRT, offsite link) south-east of Jaluit, Marshall Islands in position 06°47'N, 169°42'E.

US Navy Submarine USS Peto: USS Peto (Lt.Cdr. W.T. Nelson) ended her 1st war patrol at Brisbane.

Royal Navy Submarine HMS Ursula: HMS Ursula (T/Lt. M.D. Tattersall, RNVR) participated in A/S exercises off Larne.

Royal Navy Submarine HMS Oberon: HMS Oberon (Lt.Cdr. J.W. McCoy, DSC, RN) conducted trials in the Clyde area.

Royal Navy Submarine HMS Otus: With her refit completed, HMS Otus (Lt. J.P.H. Oakley, DSC, RN) shifted from the Tyne to Blyth.

Royal Navy Submarine HMS Shakespeare: At 1320 hours (zone -1) HMS Shakespeare (Lt. M.F.R. Ainslie, DSC, RN) surfaced to bombard aircraft hangars near Calvi, Corsica, France. 20 Rounds were fired. After 5 minutes shore batteries opened fire on HMS Shakespeare so the action was broken off and Shakespeare dived and retired from the scene. Land targets in French territories were not supposed to be shelled by submarines but Ainslie was not aware of it. Italian authorities reported 14 rounds falling on the airport but there was insignificant damage and no casualties.

Royal Navy Submarine HMS Sickle: HMS Sickle (Lt. J.R. Drummond, DSC, RN) attacked the German U-boat U-755 (KL Walter Göing) in position 42°50'N, 06°00'E but her torpedoes missed the target. She was sailing from Toulon for her last patrol. (All times are zone -1) 2150 hours - In position 42°50'N, 06°00'E sighted a German u-boat bearing 110°. The Officer of the Watch that made the sighting altered course towards. 2155 hours - Fired 6 torpedoes from 4500 yards. Went deep on firing. A loud explosion was heard followed by breaking up noises. It was thought the uboat had sunk but this was not the case.

Royal Navy Submarine HMS Syrtis: HMS Syrtis (Lt. M.H. Jupp, DSC, RN) departed the Clyde area for Scapa Flow. She made the passage North through the Minches together with the Soviet submarine L-15. They were escorted by HMS La Capricieuse (Lt.Cdr. G.W. Dobson, RNR).

Royal Navy Submarine HMS Truant: HMS Truant (Lt.Cdr. J.G. Hopkins, RN) conducted exercises in the Clyde area.

Royal Navy Submarine HMS Thrasher: HMS Thrasher (Lt.Cdr. A.R. Hezlet, DSC, RN) conducted exercises off Plymouth.

Royal Navy Submarine HMS Trusty: HMS Trusty (Lt.Cdr. E.F Balston, DSO, RN) arrived at Freetown.

Royal Navy Submarine HMS Tally-Ho: HMS Tally-Ho (Lt.Cdr. L.W.A. Bennington, DSO, DSC, RN) conducted trials in Loch Long.

Royal Navy Submarine HMS Upright: HMS Upright (Lt. P.R.H. Harrison, DSO, DSC, RN) conducted exercises of Blyth training a class of new submariners.

Royal Navy Submarine HMS Unbroken: HMS Unbroken (Lt. B.J.B. Andrew, DSC, RN) attacked a tug with two torpedoes north-west of Longobardi, Cosenza, Italy. No hits were obtained. This was the tug Costante (100 GRT, built 1914) towing dockyard machinery. She opened fire on the periscope. (All times are zone -1) 1030 hours - Sighted tug towing a large square object proceeding south close inshore. Closed. 1117 hours - In position 39°14'N, 16°01'E fired two torpedoes at the tug. These missed ahead. The tug's crew manned their gun forward and fired at the periscope so gun action was not considered practical. 1129 hours - Withdrew to the north-west.

Royal Navy Submarine HMS Usurper: HMS Usurper (Lt. D.R.O. Mott, DSC, RN) was docked at Port Bannatyne.

Royal Navy Submarine HMS Universal: HMS Universal (Lt. C. Gordon, RN) was undocked.

Royal Navy Submarine HMS Upstart: HMS Upstart (Lt. P.C. Chapman, DSC and Bar, RN) conducted A/S exercises off Campbeltown with HMS St. Modwen (Lt.Cdr. J.M. Lycett, RD, RNR) and HMS Altair (Lt.Cdr.(Retd.) W.R.T. Clements, RNR). Practice attacks were then made on the same ships. Upon completion of all these exercises HMS Upstart proceeded to Larne.

Royal Navy Submarine HMS H 32: HMS H 32 (Lt. T.G. Ridgeway, RN) conducted independent exercises off Campbeltown.

Royal Navy Submarine HMS H 33: HMS H 33 (Lt. J.A. Spender, RN) conducted A/S exercises off Lough Foyle with HMCS Kootenay (A/Lt.Cdr. K.L. Dyer, DSC, RCN).

Royal Navy Submarine HMS H 34: HMS H 34 (T/Lt. R.L. Willoughby, RNR) conducted A/S exercises off Campbeltown with HMS Boarhound (Skr. A. Keable, RNR) and HMS Bedlington (Skr. J.H.D. Dansie, RNR).

Royal Navy Submarine HMS H 44: HMS H 44 (Lt. R. Bannar-Martin, RN) conducted A/S exercises off Campbeltown with HMS Tuscarora (Cdr.(Retd.) K.W. Stewart, RN) and HMS L' Atlantique (Skr. A. McKay, RNR).

Royal Navy Submarine HMS P 511: HMS P 511 (Lt. J.S. Launders, RN) conducted A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS Spaniel. Upon completion of these exercises Lt. Taylor took over from Lt. Launders as Commanding Officer of HMS P 511.

US Navy Submarine USS R-2: USS R-2 (Lt. A.K. Tyree, USN) conducted exercises off Key West.

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

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

US Navy Submarine USS S-15: USS S-15 (Lt.Cdr. F.C. Acker, USN) conducted exercises off Key West.

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 Graph: HMS Graph (Lt. D. Swanston, DSC and Bar, RN) arrived at Holy Loch.

1944

Royal Dutch Navy Submarine HNMS O 21: HrMs O 21 (Lt. F.J. Kroesen, RNN) departed from St. John's for Halifax.

Royal Dutch Navy Submarine HNMS O 9: HrMs O 9 (Lt. R.W. van Lynden, RNN) was docked at Rothesay.

Royal Dutch Navy Submarine HNMS Dolfijn: HrMs Dolfijn (Lt.Cdr. H.M.L.F.E. van Oostrom Soede, RNN) departed Gibraltar for Holy Loch. She made the passage in convoy MKS 49.

US Navy Submarine USS Gar: USS Gar (Lt.Cdr. G.W. Lautrup, Jr) departed Pearl Harbor for her 12th war patrol. She was ordered to patrol off the Bonin Islands.

US Navy Submarine USS Silversides: USS Silversides (Lt.Cdr. J.S. Coye) torpedoed and sank the Japanese auxiliary gunboat Shosei Maru (998 GRT) off Saipan in position 13°32'N, 144°36'E.

US Navy Submarine USS Trigger: USS Trigger (Lt.Cdr. F.J. Harlfinger II) ended her 9th war patrol at Pearl Harbor. She is sent to the Mare Island Navy Yard for a major overhaul.

US Navy Submarine USS Angler: USS Angler (Lt.Cdr. R.I. Olsen) torpedoed and sank a Japanese transport east of Malaya, in position 05°57'N, 105°12'E. There is controversy over the target's identity: she was likely the transport Otori maru, 2105 tgr, ex Panamanian Boyac?, as reported by the Japanese owners, but IJN sources place the loss of the vessel on the same day at 05°57'N, 127°11'E, placing her 40 nautical miles south-east of Cabo San Augustin, Davao Gulf, Mindanao island, which would not correspond to any US sub's claim. It appears there is some confusion in the Japanese records and this writer believes the correct identification of the attacker is USS Angler.

US Navy Submarine USS Bluegill: USS Bluegill (Lt.Cdr. E.L. Barr, Jr.) torpedoed and sank the Japanese sank Japanese army cargo ship Miyaura Maru (1856 GRT) between Halmahera and Morotai in position 02°14'N, 128°05'E.

US Navy Submarine USS Pogy: USS Pogy (Lt.Cdr. R.M. Metcalf) sank a Japanese sampan with gunfire south of Honshu, Japan in position 31°21'N, 140°03'E.

US Navy Submarine USS Barbel: USS Barbel (Cdr. R.A. Keating, Jr., USN) conducted exercises off Key West.

US Navy Submarine USS Barbel: USS Barbel (Cdr. R.A. Keating, Jr., USN) conducted exercises off Key West.

Royal Navy Submarine HMS Una: HMS Una (Lt. C.A.J. Nicholl, RN) conducted A/S exercises off Tobermory with HMS Loch Killin (Lt.Cdr. S. Darling, RANVR) and HMS Caprice (Lt.Cdr. G.W. McKendrick, RN).

Royal Navy Submarine HMS Otway: HMS Otway (Lt. M.B. St. John, DSC, RN) conducted A/S exercises off Stornoway with HMS Trondra (T/A/Lt.Cdr. T.H. Howarth, RNVR).

Royal Navy Submarine HMS Sceptre: HMS Sceptre (Lt. I.S. McIntosh, MBE, DSC, RN) torpedoed and sank the German merchant Hochheimer (1894 GRT, former British Ronwyn, built 1918) off Bilbao, northern Spain in position 43°31'N, 02°52'W. Hochheimer was escorted by the German patrol vessels V-402 and V-405. (All times are zone -2) 0028 hours - Sighted two ships coming from Bilbao. Started attack. 0037 hours - Fired 6 torpedoes from 500 yards. When the 2nd and 3rd torpedoes were seen to pass under the leading ship the 4th torpedo was fired. Sceptre then began to dive and it was intended not to fire the 5th and 6th torpedoes of the salvo but due to an error in drill these were fired. These were 2 wasted torpedoes as the helm was now on. 2 Minutes and 47 seconds after firing the was an explosion. Another ship that was seen while diving beyond the 2 ships attacked was hit. Soon after diving A/S transmissions were heard coming from the 2 ships that were initially attacked and they are now thought to be escorts. They dropped 4 depth charges that caused no damage to Sceptre. 0247 hours - Sceptre surfaced and retired to the North.

Royal Navy Submarine HMS Truant: HMS Truant (Lt. E.C. Croswell, DSC, RN) arrived at Larne.

Royal Navy Submarine HMS Trespasser: HMS Trespasser (Lt.Cdr. R.M. Favell, RN) arrived at Gibraltar to fuel and take on board fresh provisions and water. She departed from later this day to rejoin convoy MKS 49.

Royal Navy Submarine HMS Tantalus: HMS Tantalus (Lt.Cdr. H.S. Mackenzie, DSO and Bar, RN) conducted exercises off Trincomalee.

Royal Navy Submarine HMS Terrapin: HMS Terrapin (Lt.Cdr. D.S.R. Martin, DSO and 2 bars, RN) arrived at Malta.

Royal Navy Submarine HMS Unshaken: HMS Unshaken (Lt. J. Whitton, DSC, RN) arrived at Sheerness where she was taken in hand for refit on 25 May 1944.

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

Royal Navy Submarine HMS Uther: HMS Uther (Lt. A.A. Catlow, RN) participated in A/S exercises off Campbeltown.

Royal Norwegian Navy Submarine HNoMS Ula: HNoMS Ula (Lt.Cdr. R.M. Sars) arrived at Scapa Flow where she was to participate in A/S exercises.

Royal Navy Submarine HMS Upshot: HMS Upshot (Lt. H.W. Wilkinson, RN) conducted exercises in the Clyde area.

Royal Navy Submarine HMS Virtue: HMS Virtue (Lt. R.D. Cairns, DSC. RN) arrived at Lerwick. She departed for her 1st war patrol later the same day. She was ordered to patrol in the Norwegian Sea on an anti-uboat patrol.

Royal Navy Submarine HMS Vulpine: Vulpine (T/Lt. P.S. Thirsk, DSC, RNR) conducted exercises off Blyth.

Royal Navy Submarine HMS H 34: HMS H 34 (Lt. R.L. Jay, RN) conducted A/S exercises off Lough Foyle with HMS Havelock (Lt.Cdr. R. Hart, DSC and Bar, RN) and HMS Inconstant (Lt.Cdr J.H. Eaden, DSCand 2 Bars, RN).

Royal Navy Submarine HMS H 44: HMS H 44 (Lt. P.N. Joyce, RN) participated in A/S exercises off Lough Foyle.

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.

Royal Navy Submarine HMS L 26: With the repairs to her after hydroplanes completed, HMS L 26 (Lt. A.G. Prideaux, DSC, RN), conducted dive trials off Bermuda.

US Navy Patrol craft USS PCS-1390: PCS 1390 sent to Panama

1945

Royal Dutch Navy Submarine HNMS O 21: HrMs O 21 (Lt. F.J. Kroesen, RNN) arrived at Fremantle.

US Navy Submarine USS Snapper: Having tansferred the Panama Canal, USS Snapper departed the Panama Canal Zone for New London, Connecticut.

US Navy Submarine USS Cero: USS Cero (Lt.Cdr. R. Berthrong) torpedoed and sank the Japanese merchant whaler Seki Maru No.5 (377 GRT) east-south-east of Kinkazan, Japan in position 38°06'N, 142°24'E.

US Navy Submarine USS Puffer: USS Puffer (Lt.Cdr. C.R. Dwyer) departed from Midway for her 8th war patrol. She was ordered to patrol in the South China Sea and the Java Sea.

US Navy Submarine USS Devilfish: After repairs USS Devilfish (Lt.Cdr. S.S. Mann, Jr.) departed from Pearl Harbor for her 3rd war patrol. She was ordered to patrol in the Bungo Suido area and off northern Honshu.

US Navy Submarine USS Becuna: In the early moring hours of 20 May 1945, USS Becuna (Cdr. H.D. Sturr, USN), transited Lombok Strait southbound.

US Navy Submarine USS Besugo: USS Besugo (Lt.Cdr. H.E. Miller, USN) ended her 4th war patrol at Subic Bay, Philippines. She was escorted in by USS Doyle C. Barnes (Lt.Cdr. J.P. Ingle, Jr., USNR). At Subic Bay she was refitted by USS Anthedon.

US Navy Submarine USS Chub: USS Chub (Cdr. C.D. Rhymes, Jr., USN) attacked but missed what is thought to be a Japanese escort vessel with three torpedoes north-east of Kangean Island in position 06°18'S, 116°05'E. No hits were obtained. Following this failed attack USS Chub conducted a special operation (no details known to us for the moment). (All times are zone I, -9) 1300 hours - Sighted masts bearing 235°(T). Commenced approach. The contact soon turned out to be a small freighter type escort and a small engines aft freighter. Started an attack on the escort as he appeared to be larger. 1339 hours - In position 06°18'S, 116°05'E fired three torpedoes from 3200 yards. All missed. Stood clear to the south to conduct a special operation.

US Navy Submarine USS Capitaine: USS Capitaine (Lt.Cdr. E.S. Friedrick, USN) departed Saipan for her patrol area.

US Navy Submarine USS Carbonero: USS Carbonero (Cdr. C.L. Murphy, USN) conducted exercises off Pearl Harbour together with USS Howard (Lt.Cdr. O.F. Salvia, USN) and USS Dentuda (Cdr. J.S. McCain, Jr., USN).

US Navy Submarine USS Catfish: USS Catfish (Lt.Cdr. W.A. Overton, USNR) conducted exercises off Key West.

US Navy Submarine USS Sea Owl: USS Sea Owl (Lt.Cdr. Warren C. Hull, Jr.) departed from Midway for her 3rd war patrol, and was ordered to patrol in the East China and Yellow Seas.

US Navy Submarine USS Tigrone: USS Tigrone (Cdr. H. Cassedy) departed from Saipan for her 2nd war patrol. She was ordered to patrol south of Honshu, Japan.

US Navy Submarine USS Tirante: USS Tirante (Cdr. G.L. Street, III) departed from Midway for her 2nd war patrol. She was ordered to patrol in the East China and Yellow Seas.

Royal Navy Submarine HMS Rorqual: HMS Rorqual (Lt. J.P.H. Oakley, DSC, RN) ended her 33th war patrol (4th in the Far East and 1st in the south-east Pacific area) at Fremantle.

Royal Navy Submarine HMS Seadog: HMS Seadog (Lt. E.H. Hobson, DSC, RN) destroyed a sailing vessel with gunfire at Sigli, Sumatra, Netherlands East Indies. (All times are zone -6.5) 1426 hours - Sighted a schooner on the beach near Sigli. 1507 hours - Surfaced for gun action. After 10 rounds the target was obscured in sand and debris. Broke off the action after 18 rounds. 1511 hours - Dived.

Royal Navy Submarine HMS Sea Scout: HMS Sea Scout (Lt. J.W. Kelly, RN) was undocked.

Royal Navy Submarine HMS Truant: HMS Truant (Lt.Cdr. R.S. Brookes, DSO, DSC, RN) conducted snort trials off Rothesay.

Royal Navy Submarine HMS Tantalus: HMS Tantalus (Lt.Cdr. H.S. Mackenzie, DSO and Bar, RN) departed from Gibraltar bound for Portsmouth. She is to sail in convoy MKS.102G (Gibraltar-Liverpool).

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

Royal Navy Submarine HMS Uproar: HMS Uproar (Lt. J.N. Devlin, DSC, RN) conducted A/S exercises off Campbeltown with HMS Altair (T/Lt. J.L. James, RNR), HMS Radiant (T/A/Lt.Cdr. A. Wallace, RNVR), HMS La Cordeliere (T/Lt. F.A. Haworth, RNVR) and ), HMS Spaniel (T/A/Skr. I.W. Sharp, RNR).

Royal Navy Submarine HMS Untamed: HMS Vitality (Lt. W.T.J. Fox, RN) participated in A/S exercises off Campbeltown.

Royal Navy Submarine HMS Urtica: HMS Urtica (Lt. R.C. Bucknall, RN) conducted exercises off Moelfre Bay.

Royal Navy Submarine HMS Vagabond: HMS Vagabond (Lt. I.M. Stoop, DSC, RN) departed Rothesay to join the Dutch submarine HrMs O 23 (Lt.Cdr. A.J. Schouwenaar, RNN) for passage to Scapa Flow. Escort was provided by HMS Bridgewater (Cdr.(Retd.) R.H. Mack, RN).

Royal Navy Submarine HMS Vigorous: HMS Vigorous (Lt. N.R. Wood, RN) arrived at Rangoon where she was to serve as a floating power station.

Royal Navy Submarine HMS Virtue: HMS Virtue (Lt. R.D. Cairns, DSC, RN) took HMAS Tringa (Lt. J.S. Parsons, RANVR) in tow after this ship had developed engine trouble. They then made for Newcastle but the tow parted several times and Tringa was left anchored off the coast. The towline once fouled Virtue's starboad propellor.

Royal Navy Destroyer HMS Quilliam: HMS Quilliam collided with HMS Indomitable in fog, and in the words of Captain Onslow "With no one to blame but myself, I had pushed my stem back to 'A' Gun." As a result, Quilliam was out of action for the rest of the war.

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

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

US Navy Submarine USS Medregal: USS Medregal (Cdr. W.H. Wright, USN) arrived at Newport, Rhode Island for torpedo trials.

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