Laid down (34)

1917: Destroyer Vanity (L 38)

1927: Destroyer Foudroyant

1931: Submarine Casabianca - Submarine Sfax

1936: Destroyer Davis (DD 395)

1938: Boom defence vessel Falconet (Z 19)

1941: Minesweeper Baluchistan (J 182) - Minesweeper Greenock (J 182) - Escort destroyer Wensleydale (L 86) - ASW Trawler Whiting (T 232) - Submarine chaser SC-540 (SC-540)

1942: Landing craft tank LCT 411 (LCT 411) - Tank landing ship LST 453 (LST 453) - Tank landing ship LST 454 (LST 454) - Submarine chaser SC-1266 (SC-1266)

1943: Frigate Halstead (K 556) - Landing Craft Tank LCT 1008 (LCT 1008) - Sloop Opossum (U 33) - Heavy cruiser Chicago (ii) (CA 136) - Frigate Hutchinson (PF-45) - Heavy cruiser Los Angeles (CA 135) - Fleet tug Tolowa (ATF 116)

1944: Landing Craft Tank LCT 1216 (LCT 1216) - Landing Craft Infantry LCI(L)-804 (LCI(L)-804) - Landing craft support LCS(L)-8 (LCS(L)-8) - Landing craft tank LCT 1125 (LCT 1125) - Landing craft tank LCT 1280 (LCT 1280) - Landing craft tank LCT 1330 (LCT 1330) - Landing craft tank LCT 1334 (LCT 1334) - Medium landing ship LSM 186 (LSM 186) - Medium landing ship LSM 187 (LSM 187) - Tank landing ship LST 769 (LST 769) - Tank landing ship LST 941 (LST 941) - Motor torpedo boat PT 755

Launched (45)

1919: Destroyer Humphreys (DD 236)

1930: Submarine Pégase - MS Trawler Cordela (FY 713) - Submarine Luigi Settembrini

1931: Barrage / Gate vessel Moorgate (Z 71)

1934: Destroyer Dewey (DD 349)

1938: Destroyer Fleuret - Boom defence vessel Barcombe (Z 16) - Boom defence vessel Barfield (Z 42) - Destroyer Rhind (DD 404)

1941: MS Trawler Foula (T 203) - Corvette Tamarisk (K 216) - Corvette Tompazis (K 216) - Destroyer Corry (i) (DD 463) - Minesweeper Turaco (AMc-55)

1942: Corvette Comfrey (K 277) - Sloop Cygnet (U 38) - Frigate Lagan (K 259) - Landing Craft Tank LCT 331 (LCT 331) - Destroyer Mahratta (G 23) - Submarine Unruly (P 49) - Submarine Unsparing (P 55) - Corvette Action (PG-86) - Heavy cruiser Baltimore (CA 68) - Landing craft tank LCT 406 (LCT 406) - Motor torpedo boat PT 122 - Submarine chaser SC-1039 (SC-1039) - Submarine chaser SC-747 (SC-747)

1943: Landing Craft Tank LCT 681 (LCT 681) - Landing Craft Infantry LCI(L)-364 (LCI(L)-364) - Destroyer Escort Lowe (DE 325) - Tank landing ship LST 119 (LST 119) - Destroyer Escort Manlove (DE 36) - Submarine chaser SC-758 (SC-758)

1944: Motor minesweeper MMS 1057 (FY 1057) - Motor Torpedo Boat MTB 408 (MTB 408) - Medium landing ship LSM 168 (LSM 168) - Medium landing ship LSM 169 (LSM 169) - Motor torpedo boat PT 396

1945: Destroyer Cayuga (R 04) - Submarine Alliance (P 417) - Submarine Aurochs (P 426) - Destroyer Corry (ii) (DD 817) - Submarine Cusk (348) - Motor torpedo boat PT 617

Commissioned (41)

1919: Destroyer Twiggs (i) (DD 127)

1920: Destroyer George E. Badger (AVD 3)

1932: Submarine O 15 (N 15 / P 15)

1940: Motor Anti-Submarine Boat S 3 (S 3)

1941: Corvette Renoncule (K 117) - MS Trawler Incholm (T 18) - Motor Gun Boat MGB 19 (MGB 19) - Motor Launch ML 269 (ML 269) - Motor minesweeper MMS 41 (J 541) - Motor Torpedo Boat MTB 56 (MTB 56)

1942: Minesweeper Adroit (AM 82) - Minesweeper Advent (AM 83) - Patrol craft PC-552 (PC-552) - Minesweeper YMS-81 (YMS-81)

1943: MS Trawler Hautapu (T 340) - Frigate Aire (K 262) - Minesweeper Cato (J 16) - Minesweeper Gazelle (J 342) - Harbour Defence Motor Launch HDML 1372 (ML 1372) - Corvette Rosebay (K 286) - Patrol craft PC-1131 (PC-1131) - Patrol craft PC-1263 (PC-1263) - Submarine chaser SC-1038 (SC-1038) - Submarine chaser SC-1074 (SC-1074) - Minesweeper YMS-281 (YMS-281)

1944: Frigate St. Stephen (K 454) - Destroyer Cassandra (R 62) - Landing Craft Tank LCT 1147 (LCT 1147) - Landing Craft Infantry LCI(L)-657 (LCI(L)-657) - Landing Craft Infantry LCI(L)-775 (LCI(L)-775) - Medium landing ship LSM 317 (LSM 317) - Medium landing ship LSM 44 (LSM 44) - Tank landing ship LST 629 (LST 629) - Tank landing ship LST 711 (LST 711)

1945: Icebreaker Northwind (ii) (WAGB 282) - Cutter Ponchartrain (WPG 70) - Medium landing ship (rocket) LSM(R) 519 (LSM(R) 519) - Tank landing ship LST 1100 (LST 1100) - Tank landing ship LST 977 (LST 977) - Fleet tug Mosopelea (ATF 158) - Minesweeper Tanager (AM 385)

1943: Motor Torpedo Boat MTB 345 (MTB 345)

1945: Destroyer Callaghan (DD 792)

More information on Allied Warships losses.

1940

Light cruiser HMS Gloucester: HMS Gloucester (Capt. H.A. Rowley, RN) departed Alexandria for Port Said.

Submarine HNMS O 23: HrMs O 23 (Lt.Cdr. G.B.M. van Erkel, RNN) and her escort, the the Dutch torpedo boat HrMs Z 6 (Lt.Cdr. A.C. Lunbeck, RNN) departs Stornoway for Rosyth. Off Scapa Flow they were joined by the British submarine HMS L 26 (Lt. P.L. Field, RN) which had just departed from there also for Rosyth.

Armed Merchant Cruiser HMS Alcantara: The armed merchant cruiser HMS Alcantara (Capt.(retd.) J.P.G. Ingham, DSO, RN) had a gun duel with the German auxiliary cruiser Thor in the South Atlantic east of Brazil in position 24°30'S, 31°56'W and was badly damaged, while the German ship escaped.

Submarine HMS Ursula: HMS Ursula (Lt.Cdr. W.A.K.N. Cavaye, RN) departed Rosyth for Blyth where she arrived later the same day.

Submarine HMS Swordfish: HMS Swordfish (Lt. P.J. Cowell, RN) comes across the Norwegian yacht Maski in the North Sea in position 56°33'N, 01°31'E. The four Norwegians aboard the yacht were trying to flee to the United Kingdom. After the Norwegians were taken aboard the Maski was sunk with gunfire.

Submarine HMS Seawolf: HMS Seawolf (Lt.Cdr. J.W. Studholme, DSC, RN) departed Rosyth for her 13th war patrol. She was ordered to patrol near Stavanger, Norway. For the daily positions of HMS Seawolf during this patrol see the map below.

Submarine HMS H 33: HMS H 33 (Lt. E.P. Tomkinson, RN) shifted from Rothesay to Campbeltown.

Submarine HMS H 44: HMS H 44 (Lt. E.D. Norman, RN) departed Harwich for her 3rd war patrol. She was ordered to patrol in the North Sea. For the daily positions of HMS H 44 during this patrol see the map below.

Destroyer HMS Jackal: HMS Jackal (Cdr. T.M. Napier, RN) departed Immingham to join her sister ships HMS Jaguar (Lt.Cdr. J.F.W. Hine, RN) and HMS Jupiter (Cdr. D.B. Wyburd, RN) which were already on patrol. In the evening HMS Jaguar and HMS Jupiter briefly escorted the light cruiser HMS Ajax (Capt. E.D. McCarthy, RN) during her passage from Sheerness to Scapa Flow.

Submarine FR Rubis: The Norwegian merchant Argo (413 GRT, offsite link) was sunk after hitting a mine laid by the French submarine Rubis (Lt. G.E.J. Cabanier) on 10 May 1940 near Egersund, Norway in position 58°21'N, 06°01'E.

1941

Heavy cruiser HMS Dorsetshire: HMS Dorsetshire (Capt. B.C.S. Martin, RN) arrived at Scapa Flow to commence a work-up period.

Destroyer HNMS Isaac Sweers: HMS Malaya (Capt. C. Coppinger, DSC, RN), escorted by HrMs Isaac Sweers (Cdr. J. Houtsmuller, RNN), HMS Heythrop (Lt.Cdr R.S. Stafford, RN) and HMS Croome (Lt.Cdr. J.D. Hayes, RN), arrived at Scapa Flow around noon. They had been delayed in the Pentland Firth due to thick fog.

Submarine HNMS O 24: HrMs O 24 (Lt.Cdr. O. de Booy, RNN) departed Gibraltar for her 9th war patrol (2nd in the Mediterranean). She was ordered to patrol in the Gulf of Genoa and in the Tyrrhenian Sea. For the daily and attack positions of HrMs O 24 during this patrol see the map below.

Submarine HMS Unbeaten: HMS Unbeaten (Lt. E.A. Woodward, RN) departed Malta for her 7th war patrol (6th in the Mediterranean). She was ordered to patrol to the East of Tunisia on the convoy routes between Italy and Tripoli and intercept a northbound convoy near position 36°05'N, 11°47'E. For the daily positions of HMS Unbeaten during this patrol see the map below.

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 HrMs Z 5 (Lt. J.J. Steensma, RNN).

Submarine HMS Otway: HMS Otway (Lt.Cdr.(Retd.) J.R.G. Harvey, RN) participated in A/S exercises off Campbeltown.

Submarine HMS Olympus: HMS Olympus (Lt.Cdr. H.G. Dymott, RN) torpedoed and sank the Italian merchant Monteponi (742 GRT, built 1917) about 10 nautical miles north of Cape Comino, Sardinia, Italy in position 40°40'N, 09°50'E. (All times are zone -1) 1055 hours - Sighted a small merchant ship. Started attack. 1155 hours - Fired one torpedo from 900 yards. It hit. The ship was seen to sink in about 40 seconds.

Submarine HMS Parthian: Having not sighted the convoy HMS Parthian (Cdr. M.G. Rimington, DSO, RN) continued her passage to Malta.

Submarine HMS Severn: For the daily and attack positions of HMS Severn during her 15h war patrol see the map below.

Submarine HMS Severn: HMS Severn (Lt.Cdr. A.N.G. Campbell, RN) departed Gibraltar for her 15th war patrol. She was ordered to escort convoy HG 69 for part of the way. Before proceeding on patrol A/S exercises were carried out with HMS Beverley (Lt.Cdr. J. Grant, RN).

Submarine HMS Taku: HMS Taku (Lt.Cdr. E.C.F. Nicolay, RN) ended her 13th war patrol at Alexandria. This was the last patrol of Taku. She is now sent back to the U.K. for a refit due to engine problems.

Submarine HMS Tuna: At 0435 hours, HMS Tuna (Lt.Cdr. M.K. Cavenagh-Mainwaring, DSO, RN), made rendes-vous with her escort north through the Irish Sea, HMS La Capricieuse (Lt.Cdr. G.W. Dobson, RNR).

Submarine HMS Thrasher: HMS Thrasher (Lt.Cdr. P.J. Cowell, DSC, RN) picks up 78 men from Crete. With so many on board the patrol in the Aegean had to be abandoned and Thrasher set course to return to Alexandria. (All times are zone -3) 27 July 1941 0030 hours - Attempted to land Lt.Cdr. Pool, RNR by folbot but the weather was still not suitable. Abandoned the attempt 0245 hours - The wind dropped so now a successful landing was made. Withdrew to the seaward to return next night 2330 hours - While three nautical miles off Limni Bay received a signal that 46 men would be ready to be evacuated by 0100/28. Proceeded inshore. 28 July 19410210 hours - Operation completed, picked up 62 British soldiers, 5 Naval ratings and 11 Greeks, set course for Alexandria as it was impossible to continue the patrol with so many men aboard 0512 hours - Dived 2058 hours - Surfaced in position 34°22'N, 25°02'E

Submarine HMS Thrasher: HMS Thrasher (Lt.Cdr. P.J. Cowell, DSC, RN) conducted torpedo discharge trials off Arrochar.

Submarine HMS Trusty: HMS Trusty (Lt.Cdr. W.D.A. King, DSO, DSC, RN) departed from her builders yard at Barrow for Holy Loch. She made the passage together with HMS P 34 (Lt. P.R.H. Harrison, DSC, RN). They were escorted by HMS Breda (Capt.(Retd.) A.E. Johnston, RN).

Submarine HMS Upholder: HMS Upholder (Lt.Cdr. M.D. Wanklyn, RN) fired 4 torpedoes at an Italian task force, hitting the light cruiser Giuseppe Garibaldi (9050 tons). The cruiser was hit in the bow and took 700 tons of water but did not sink. She managed to reach Palermo and was later repaired in Naples and was out of action for a considerable time. (All times are zone -2) 1940 hours - Sighted two cruisers and two destroyers to the Southward. Enemy course was 355°, speed was estimated to be 22 knots. 1950 hours - ASDIC gave 230 revs., this exquals a speed of 28 knots. The leading cruiser could now no longer be attacked from this position so selected the second cruiser as the target. 1951 hours - In position 38°04'N, 11°57'E fired four torpedoes from 4000 yards. 1955 hours - Heard two heavy explosions thought to be hits. Upholder meanwhile retired to the North-East at 150 feet. 1957 hours - Depth charges were dropped by one of the destroyers. The other destroyer apparently guarded the cruiser and dropped several single depth charges. In all 38 depth charges were dropped some were quite close but no damage was done. 2200 hours - Nothing in sight. Surfaced and passed a report to Malta. [The task-force sighted by Upholder was made up of the above mentioned cruiser Giuseppe Garibaldi, the cruiser Raimondo Montecuccoli . The destroyers were the Granatiere and Bersagliere. Bersagliere dropped 11 depth charges at the spot from where the torpedo tracks appear to have initiated and was then drawn to a spot where an escorting aircraft had fired a burst of machine gun and dropped a further pattern of four depth charges.]

Submarine HMS Upright: HMS Upright (Lt. J.S. Wraith, DSC, RN) ended her 14th war patrol (12th in the Mediterranean) at Malta.

Submarine HMS Utmost: HMS Utmost (Lt.Cdr. R.D. Cayley, RN) torpedoed and sank the Italian merchant Frederico (1488 GRT, built 1920) in the southern Tyrrhenian Sea of the west coast of Calabria, Italy in position 39°28'N, 15°52'E. (All times are zone -2) 1835 hours - Sighted a 4000 tons merchant ship escorted by a 5000 tons Armed Merchant Cruiser bearing 330°, 9 nautical miles, course 160°, speed 8 knots. Started attack in which two torpedoes were fired from 700 yards. One hit was obtained and the ship sank immediately. The Armed Merchant Cruiser counter attacked with 20 depth charges but none were close. According to Italian sources Frederico had been escorted by the armed merchant cruiser Adriatico (1976 GRT, built 1931) who rescued all the crew except one.

Submarine HMS P 33: HMS P 33 (Lt. R.D. Whiteway-Wilkinson, DSC, RN) was undocked.

Submarine HMS Ultimatum: HMS P 34 (Lt. P.R.H. Harrison, DSC, RN) departed from her builders yard at Barrow for Holy Loch. She made the passage together with HMS Trusty (Lt.Cdr. W.D.A. King, DSO, DSC, RN). They were escorted by HMS Breda (Capt.(Retd.) A.E. Johnston, RN).

Submarine HMS H 32: HMS H 32 (Lt. B.G. Heslop, DSC, RN) conducted A/S exercises off Lough Foyle with HMS Witch (Lt.Cdr. C.H. Holmes, RN) and HMS Broadway (Lt.Cdr. T. Taylor, RN).

Submarine HMS H 34: HMS H 34 (Lt. H. Winter, RN) conducted A/S exercises off Campbeltown with HMS L' Atlantique and HMS Valena (Lt.Cdr. A.F.C. Gray, RNR).

Submarine HMS H 44: HMS H 44 (Lt. A.C.G. Mars, RN) participated in A/S exercises off Ardrishaig.

Battleship HMS Prince of Wales: HMS Prince of Wales (Capt. C.H.J. Harcourt, RN) conducted gunnery exercises inside Scapa Flow.

Destroyer HMS Jaguar: Around 1800/28, the light cruiser HMS Neptune (Capt. R.C. O'Conor, RN), fast minelayer HMS Latona (Capt. S.L. Bateson, RN) and the destroyers HMS Jervis (Capt. P.J. Mack, DSO, RN) and HMS Jaguar (Lt.Cdr. J.F.W. Hine, RN) departed Haifa for Alexandria. At sea they were joined by the fast minelayer HMS Abdiel (Capt. E. Peydell-Bouverie, MVO, RN). All ships arrived at Alexandria around 1000/29.

Corvette HMS Begonia: HMS Begonia (Lt. T.A.R. Muir, RNR) picks up 33 survivors from the British merchant Erato that was torpedoed and sunk the previous day by German U-boat U-126 about 200 nautical miles west of Cape Finisterre in position 43°10'N, 17°30'W.

Corvette HMS Rhododendron: The British merchant Lapland is torpedoed and sunk north-west of Cape Finisterre in position 40°36'N, 15°30'W by German U-boat U-203. 26 survivors were later picked up by HMS Rhododendron (Lt.Cdr. W.N.H. Faichney, DSO, RNR).

Submarine HMS L 26: With her repairs completed, HMS L 26 (Lt. M.B. St. John, RN), shifted from Ardrossan to Rothesay.

1942

Corvette HMCS Brandon: HMCS Brandon (Lt. J.C. Littler, RCNR) picks up 45 men of the British merchant Broompark that was torpedoed and damaged on 25 July 1942 by German U-boat U-552 east of Newfoundland, Canada in position 49°02'N, 40°26'W. The Broompark finally sank at 0600 hours on 28 July 1942 while under tow of the USN tug USS Cherokee in position 47°41'N, 51°50'W.

Submarine HNoMS Uredd: HNoMS Uredd (Lt. Røren) ended her 4th war patrol at Lerwick.

Submarine HNMS O 21: HrMs O 21 (Lt.Cdr. J.F. van Dulm, RNN) conducted speed trials on the Arran measured mile.

Submarine HNMS O 24: HrMs O 24 (Lt. W.J. de Vries, RNN) arrived at Gibraltar. She was escorted in by the British corvette HMS Coltsfoot (Lt.Cdr. the Hon. W.K. Rous, RNVR).

Submarine USS Seadragon: In the early morning hours USS Seadragon (Lt.Cdr. W.E. Ferrall, USN) made the southbound passage of Lombok Strait on the surface.

Submarine USS Grunion: USS Grunion (Lt.Cdr. M.L. Abele) reports an attack on unidentified enemy ships six miles southeast of Sirius Point, Kiska. She was depth charged after this attack but sustained no damage.

Submarine USS Albacore: USS Albacore (Lt.Cdr. R.C. Lake, USN) transited the Panama Canal.

Submarine USS Haddock: USS Haddock (Lt.Cdr. A.H. Taylor) departed from Pearl Harbor for her 1st war patrol. She was ordered to patrol in the East China Sea.

Submarine HMS Otway: HMS Otway (Lt.Cdr.(Retd.) J.R.G. Harvey, RN) conducted exercises in the Clyde area.

Submarine HMS Sahib: HMS P 212 (Lt. J.H. Bromage, DSC, RN) conducted D/G trials off Helensburgh.

Submarine HMS P 222: HMS P 222 (Lt.Cdr. A.J. MacKenzie, RN) ended her 2nd war patrol at Gibraltar.

Submarine HMS Traveller: While in transit through the Otranto Straits to her patrol area HMS Traveller (Lt. M.B. St. John, RN) is detected on the surface by an Italian 'destroyer'. Traveller dived and a few depth charges were dropped but these inflicted no damage. later on the same day she attacks the Italian merchant Ezilda Croce (1230 GRT, built 1900), on passage from Bari to Valona, in the Otranto Strait. The torpedoes fired however miss their target. [On board the merchant ship, the lookout Santo LaTerra reported a torpedo track missing the ship ahead by 20 meters. An escorting aircraft dropped bombs on the submarine.] (All times are zone -3) 0500 hours - In position 40°26'N, 18°46'E sighted an enemy patrol vessel, maybe a destroyer. Dived and started attack. 0510 hours - The enemy dropped a depth charge followed by 4 more at 4 minute intervals. No damage was done but it appeared the enemy had sighted or heard Traveller. Lt. St. John took avoiding action and when he returned to periscope depth 10 minutes after the last depth charge was dropped there was nothing in sight. As it was getting light he remained down and continued the passage North. -------------------------------------------- 1029 hours - In position 40°35'N, 18°38'E sighted an Eastbound merchant ships of 5000 tons. Started attack. During the attack four torpedoes were fired from 4500 yards. No hits were obtained. Lt. St. John later noticed that the target was smaller than he thought, 1500 to 2000 tons.

Submarine HMS Upright: HMS Upright (Lt.Cdr. A.F. Collett, DSC, RN) arrived at Dundee.

Submarine HMS Unbending: HMS P 37 (Lt. H. Winter, RN) departed Gibraltar for her 5th war patrol (1st in the Mediterranean). She was ordered to patrol in the Alboran Sea. For the daily positions of HMS P 37 during this patrol see the map below.

Submarine HMS Unrivalled: HMS P 45 (Lt. H.B. Turner, RN) participate in a boom defence exercise at Scapa Flow.

Submarine HMS H 28: HMS H 28 (Lt. K.H. Joy, RNR) participated in A/S exercises off Campbeltown.

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

Submarine HMS H 43: HMS H 43 (Lt. J.P.H. Oakley, DSC, RN) conducted A/S exercises off Campbeltown with HMS La Cordeliere (Lt.Cdr. A.J.G. Barff, RNR) and HMS L'Incomprise (Lt.Cdr.(Retd.) F.S. Deveson, RNR).

Submarine HMS H 44: HMS H 44 (Lt. J.P. Fyfe, RN) participated in A/S exercises off Lough Foyle.

Submarine HMS P 511: HMS P 511 (Lt. D.E.O. Watson, DSC, RN) participated in A/S exercises at Scapa Flow.

Battleship HMS Malaya: HMS Malaya (Capt. J.W.A. Waller, RN), HMS Brilliant (Lt.Cdr. A.G. Poe, RN) and HMS Wivern (Cdr. M.D.C. Meyrick, RN) arrived at Capetown.

Submarine USS S-20: USS S-20 arrived at New London, Connecticut from Casco Bay, Maine.

Submarine USS S-38: USS S-38 (Lt.Cdr. H.G. Munson) departed from Brisbane for her 7th war patrol. She was ordered to patrol off New Britain and New Ireland.

Submarine USS S-42: USS S-42 (Lt. O.G. Kirk) ended her 2nd war patrol at Brisbane.

Submarine USS S-47: USS S-47 (Lt. J.W. Davis) departed from Brisbane for her 3rd war patrol.

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

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

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

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

Destroyer HMS Witherington: HMS Witherington picks up 12 survivors from the American fishing vessel Ebb that was sunk by gunfire from German U-boat U-754 45 nautical miles south-east of Cape Sable, Nova Scotia, Canada in position 43°18'N, 63°50'W.

Submarine HMS L 23: HMS L 23 (Lt. J.S. Bridger, RN) conducted exercises off Blyth with a training class off new submariners.

Submarine HMS L 26: HMS L 26 (Lt. C.A. Pardoe, RNR) conducted exercises in the Clyde area with a training class of new submariners.

Submarine HMS P 614: HMS P 614 (Lt. D.J. Beckley, RN) ended her 3rd war patrol at Lerwick.

1943

Light cruiser HNMS Tromp: HrMs Tromp (Capt. J.B. de Meester, RNN) conducted A/S exercises off Fremantle together with the US submarine USS Grayling (Lt.Cdr. R.M. Brinker, USN).

Submarine HNMS K XII: HrMs K XII (Lt.Cdr. T. Brunsting, RNN) conducted A/S exercises off Fremantle with HMAS Horsham (T/Lt. W.H. Newby, RANR(S)).

Submarine HNMS O 23: At 0426 hours (zone -6.5) HrMs O 23 (Lt.Cdr. A.M. Valkenburg, RNN) encounters the Japanese light cruiser Kashii (offsite link) about 30 nautical miles West off Little Andaman Island in position 10°50'N, 93°02'E. O 23 was unable to attack as she was most likely spotted and the Japanese took evasive action.

Submarine HNMS O 9: HrMs O 9 (Lt. J.B.M.J. Maas, RNN) participated in A/S exercises off Campbeltown with HMS Altair (Lt.Cdr. (retired) W.R.T. Clements, RNR) and HMS L' Atlantique (Skr. A. McKay, RNR).

Submarine HNMS O 10: HrMs O 10 (Lt.Cdr. Baron D.T. Mackay, RNN) participated in A/S exercises off Campbeltown with HMS St. Modwen (Lt.Cdr. J.M. Lycett, RD, RNR) and HMS Spaniel.

Submarine USS Pompano: USS Pompano (Lt.Cdr. W.M. Thomas) ended her 6th war patrol at Midway.

Submarine USS Porpoise: USS Porpoise (Lt.Cdr. C.L. Bennett) ended her last war patrol when she returned to Pearl Harbor. Due to the fact that the boat continued to suffer from leaking external oil tanks and the fact that more and more new fleet submarines arrived in the Pacific USS Porpoise was retired to training duties. The boat arrived at New London on the U.S. east coast in September 1943.

Submarine USS Halibut: USS Halibut (Cdr. P.H. Ross) ended her 5th war patrol at Midway.

Submarine USS Sunfish: USS Sunfish (Lt.Cdr. R.W. Peterson) departed from for her 4th war patrol. She was ordered to patrol off Formosa.

Submarine USS Crevalle: USS Crevalle (Cdr. H.G. Munson, USN) departed the Portsmouth area for Newport, Rhode Island.

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.

Submarine HMS Osiris: HMS Osiris (Lt. A.G. Chandler, RNR) is undocked.

Submarine HMS Proteus: HMS Proteus (Lt. A.R. Profit, DSC, RN) conducted exercises in the Clyde area with a training class of new submariners.

Submarine HMS Rorqual: HMS Rorqual (Lt.Cdr. L.W. Napier, DSO, RN) departed Beirut for Haifa to embark 50 mines there before proceeding on patrol.

Submarine HMS Sealion: HMS Sealion (Lt. N.J. Coe, DSC, RNR) conducted attack exercises in the Clyde area for the C.O.Q.C. (Commanding Officers Qualifying Course).

Submarine HMS Sea Nymph: HMS Sea Nymph (Lt. J.P.H. Oakley, DSC, RN) is undocked.

Submarine HMS Sickle: HMS Sickle (Lt. J.R. Drummond, DSO, DSC, RN) ended her 5th war patrol (4th in the Mediterranean) at Algiers.

Submarine HMS Stoic: HMS Stoic (Lt. P.B. Marriott, DSO, RN) conducted attack exercises at Scapa Flow.

Submarine HMS Stubborn: Stubborn (Lt. A.A. Duff, RN) participated in A/S exercises at Scapa Flow.

Submarine HMS Surf: HMS Surf (Lt. D. Lambert, DSC, RN) conducted exercises off Gibraltar.

Submarine HMS Truant: HMS Truant (Lt.Cdr. J.G. Hopkins, RN) departed from Holy Loch bound for Lerwick. She was escorted by HMS Cutty Sark (Cdr.(Retd.) R.H. Mack, RN).

Submarine HMS Tantivy: HMS Tantivy (Cdr. M.G. Rimington, DSO, RN) conducted exercises in the Clyde area.

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

Submarine HMS Unrivalled: HMS Unrivalled (Lt. H.B. Turner, DSC, RN) damaged an Italian sailing vessel with gunfire off Cape Vaticano, Italy. This vessel has not yet (July 2016) been identified. (All times are zone -2) 1131 hours - Sighted a northbound two-masted schooner. 1330 hours - Surfaced in position 38.39'N, 15.49'E and engaged the schooner with the 3" gun from 2000 yards range and closing. The schooner was hit three times and turned towards the shore. Shore guns opened fire. Unrivalled now dived and retired to seaward. The schooner was last seen to resume her course and was not beached.

Submarine HMS Usurper: HMS Usurper (Lt. D.R.O. Mott, DSC, RN) attacked the French passenger vessel Cap Corse (2444 GRT, built 1929) west of the Gulf of Sagone, Corsica, France with four torpedoes. No hits were obtained. Cap Corse She was to be escorted by the Italian torpedo boat Orsa and the German auxiliary submarine chaser UJ 2210 which had sailed two hours before to clear the area from submarines. The attack was unobserved and Orsa joined up with Cap Corse but UJ 2210 was ordered to remain behind and search for submarines the approaches of Ajaccio. (All times are zone -2) 2005 hours - Returned to periscope depth after having made repairs to one of the periscope wires. Saw a liner of about 4000 tons at a range of about 8000 yards. Usurper was already past her beam but Lt. Mott decided to attack as this was a too valuable target to let by. Besides that she was unescorted. 2016 hours - In position 42°05'N, 08°29'E fired four torpedoes from 9000 yards. No hits were obtained.

Submarine HMS Varangian: HMS Varangian (Lt. J. Nash, DSC, RN) and HMS Sea Rover (Lt. J.P. Angell, RN) both conducted exercises in the Clyde area.

Submarine HMS H 32: HMS H 32 (Lt. J.A.R. Troup, DSC, RN) conducted A/S exercises off Lough Foyle with USS Madison, USS Lansdale and USS Charles F. Hughes.

Submarine HMS H 33: HMS H 33 (T/Lt. C.P. Thode, RNZNVR) participated in A/S exercises off Campbeltown.

Submarine HMS H 34: HMS H 34 (Lt. B. Charles, RN) shifted from Londonderry to Rothesay. She was escorted by HMS Blade (T/A/Lt.Cdr. S.T. Wenlock, RNR).

Submarine HMS P 511: HMS P 511 (Lt. C.W. Taylor, RNR) conducted A/S exercises off Lough Foyle together with USS Broome (Lt. C.S. Arthur, Jr., USN), USS Simpson (Lt.Cdr. R.S. Fahle, USN), HMS Walker (Lt.Cdr. A.N. Rowell, RN), HMS Walker (Lt.Cdr. A.N. Rowell, RN), HMS Highlander (Cdr. E.C.L. Day, RN) and USS Hughes (Lt.Cdr. H.H. Marable, USN).

Submarine USS R-4: USS R-4 (Lt.Cdr. W.L. Fey, Jr., USN) conducted exercises off Key West.

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

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

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

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

1944

Destroyer USS De Haven (ii): USS De Haven (Cdr. J.B. Dimmick) departed from San Diego bound for Pearl Harbor.

Battleship USS Iowa: USS Iowa (Capt. J.L. McCrea, USN) Topped off four of the destroyers of the Task Group, USS Hickox (Lt.Cdr. J.H. Wesson, USN), USS Dortch (Cdr. R.C. Young, USN), USS Hunt (Cdr. H.A. Knoertzer, USN) and USS Owen (Cdr. R.W. Wood, USN), with fuel.

Submarine HNMS O 9: HrMs O 9 (Lt. R.W. van Lynden, RNN) participated in A/S exercises off Campbeltown with HMS Shemara (Cdr.(Retd.) H. Buckle, RN) and HMS St. Modwen (Lt.Cdr. J.M. Lycett, DSC, RD, RNR).

Submarine HNMS O 10: HrMs O 10 (Lt. S.H. de Boer, RNN) conducted exercises in the Clyde area.

Submarine USS Crevalle: USS Crevalle (Cdr. F.D. Walker, Jr., USN) attacked a Japanese convoy off the west coast of Luzon. Six torpedoes were fired but the results could not be obsvered. Crevalle was depth charged following this attack. (All times are zone H, -8) 0905 hours - In position 16°22'N, 119°44'E sighted the tops of a large steam vessel bearing 230°(T). Started approach. 0920 hours - There were now several ships in sight. Counted about eight ships with four or more escorts. The leading escort looked like a Chidori-class torpedo boat. Picked a large Maru with cage masts as the target. It is thought to be some sort of naval auxiliary. 0929 hours - Enemy course 040°(T), speed 7 knots. Range was now 5400 yards to our selected target. 0935 hours - All ships zigged right, course now 090°(T). Quickly changed the setup of the attack. 0938 hours - In position 16°18'N, 119°44'E fired six bow torpedoes from 2500 yards. Went deep upon completing firing the torpedoes as one of the escorts was near. Heard two timed hits while going deep. 0945 hours - A pattern of four depth charges was dropped. These were close but came later then expected. 0952 hours - Another pattern but now of ten depth charges. They were very close but caused no damage. Crevalle was now at 450 feet. 1006 hours - Eleven more depth charges and close. 1020 hours - Eight charges, very close. 1105 hours - Seven more charges, close. Shut down every equipment not needed. Went to 500 feet. 1155 hours - Eight close depth charges. 1205 hours - Went to 550 feet. 1215 hours - The escort dropped astern for another run but he then appeared to have lost contact. 1330 hours - Increased speed a bit and went back to 500 feet. 1333 hours - Three more depth charges, but not very close now. 1421 hours - Now only heard faint pinging on sound. 1445 hours - Came up to 400 feet and retrimmed the boat. Faint pinging was still heard but no screws. 1630 hours - All clear on sound now for a while. Started up the gyro and ventilation. 1750 hours - Pinging came back in on the starboard beam. Changed course to evade. 1850 hours - At periscope depth. All clear. Faint pinging was occasionaly heard aft. 1925 hours - Surfaced. Cleared the area and set course to return to Fremantle.

Submarine USS Aspro: USS Aspro (Cdr. W.A. Stevenson, USN) torpedoed the grounded Japanese auxiliary gunboat Peking Maru (2288 GRT, built 1937) aground off Vigan Point, Luzon, Philippines in position 17°31'N, 120°23'E. The Peking Maru remains aground and is declared a total loss and abandoned. Peking Maru had been grounded on the 21st. (All times are zone -8) 0547 hours - Heard distant echo ranging. Closed to investigate. Soon sighted a small sailing sampan close to the beach. 0605 hours - Sighted a mast in the direction of the pinging. The contact was soon seen to be a small patrol vessel patrolling three to four nautical miles from the coast. 0915 hours - A patrol plane passed down the coast. 0925 hours - Sighted a ship close to the beach. Started closing. 1208 hours - Went deep when the patrol vessel came towards. Looked like he had obtained sound contact. Returned to periscope depth. The patrol vessel could no longer be seen. Also no more pinging was heard. The anchored ship was in position 17°31'2"N, 120°22'7"E. A small tug was anchored close by. A sunken ship was seen in position 17°30'4"N, 120°23'5"E. Selected a position where Aspro could approach to about 2000 yards from the anchored ship and still retire quite quickly to deeper water. Started approach. 1525 hours - Fired three bow torpedoes from 2200 yards. It is thought all three hit the target after about 2 minutes. 1529 hours - Sighted the target smoking heavily amidships. Boats were seen being lowered. The tug was making preparations to get underway. 1547 hours - Heard exlosions. Saw that the target was on fire amidships. 1555 hours - The fire was getting worse. The target had taken a slight list to starboard and settled. 1630 hours - The fire was now seen to be out of control. The ship was a mess of flames and fires could be seen at the water line. Started to retire from the area, this ship was clearly a total loss.

Submarine USS Bergall: USS Bergall (Cdr. J.M. Hyde, USN) departed Balboa, Panama Canal Zone for Pearl Harbour.

Submarine USS Hawkbill: USS Hawkbill (Lt.Cdr. Francis Worth Scanland, Jr.) arrived at Pearl Harbor.

Submarine HMS Shakespeare: HMS Shakespeare (Lt. D. Swanston, DSC and Bar, RN) conducted A/S exercises off Larne with HMS Hurst Castle (Lt. H.G. Chesterman, DSC and Bar, RNR) and HMCS Huntsville (T/Lt. C.B. Hermann, RCNVR).

Submarine HMS Stoic: HMS Stoic (Lt. P.B. Marriott, DSO, RN) ended her 5th war patrol (4th in the Far East) at Trincomalee.

Submarine HMS Stratagem: During 28 and 29 July 1944, HMS Stratagem (Lt. C.R. Pelly, DSC, RN) and HMS Thorough (Lt.Cdr. J.G. Hopkins, RN), both conducted exercises off Trincomalee during which they made practice attacks on each other. Also practice attacks were made during which HMIS Pansy (Lt. R.G. Main, RINR) served as the target. These included night exercises.

Submarine HMS Spark: HMS Spark (Lt. D.G. Kent, RN) departed Holy Loch for her 1st war patrol. She was ordered to patrol to the East of the Orkney and Shetland Islands. She made the passage through the Minches together with HMS Thrasher (Lt.Cdr. M.F.R. Ainslie, DSO, DSC, RN). The submarines were escorted by HMS Sardonyx (A/Lt.Cdr. T.A. Easton, RNVR).

Submarine HMS Spark: For the daily positions of HMS Spark during her 1st war patrol see the map below.

Submarine HMS Spirit: HMS Spirit (Lt. A.W. Langridge, RN) departed Trincomalee for Colombo. At Colombo repairs will be made to her damaged battery. She was escorted by the Italian sloop Eritrea.

Submarine HMS Trident: HMS Trident (Lt. A.J.W. Pitt, DSO, RN) returned to Troon.

Submarine HMS Taku: HMS Taku (T/Lt. P.S. Parmenter, RNR) conducted exercises off Blyth with a training class of new submariners.

Submarine HMS Tuna: HMS Tuna (A/Lt.Cdr. L.F.L. Hill, RNR) departed North Berwick for Port H.H.Z. She was escorted by HMS Castlenau (Skr. W.K. Mickleburgh, RNR).

Submarine HMS Trusty: HMS Trusty (Lt. L.E. Herrick, DSO, RN) conducts attack exercises for the Commanding Officer Qualifying Course with HMS Jamaica (Capt. J. Hugh-Hallett, DSO, RN).

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

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

Submarine HMS Ultor: HMS Ultor (Lt. G.E. Hunt, DSC and Bar, RN) ended her 18th war patrol (16th in the Mediterranean) at La Maddalena.

Submarine HMS Untamed: HMS Vitality (Lt. K.S. Renshaw, DSC, RNR) conducted trials in the Clyde area.

Submarine HMS Untiring: HMS Untiring (Lt. R. Boyd, DSC, RN) departed La Maddalena for her 14th war patrol (12th in the Mediterranean). She was ordered to perform a special operation off north Corsica. For the moment no further details are known on this operation. [As no log is available for this period no map can be displayed.]

Submarine HMS Varangian: HMS Varangian (Lt. G.J. Glennie, RANVR) shifted from Tobermory to Oban. She was escorted by HMS Clorinde (T/Lt. M.L. Patterson, RNVR).

Submarine HMS Uther: HMS Uther (Lt. R.A.A.C. Ward, DSC, RN) conducted A/S exercises off Fishguard with aircraft.

Submarine HMS Unswerving: HMS Unswerving (T/Lt. M.D. Tattersall, RNVR) was undocked.

Submarine HMS Upstart: HMS Upstart (Lt. P.C. Chapman, DSC and Bar, RN) fires four torpedoes against the Italian merchant (in German service) Pascoli (4139 GRT, built 1944) south-east of Cape Cepet, southern France. The torpedoes however miss their target. [So far, January 2019, we have not been able to identify the identify the escorts.] (All times are zone -2) 0300 hours - Sighted a destroyer against Île de Porquerolles. 0310 hours - Started attack on a 4000 tons merchant vessel that was escorted by this destroyer and two other escort vessels. 0316 hours - Fired four torpedoes. One hit was obtained 20 seconds after firing the last torpedo. The vessel vanished in a tremendous upheaval and is considered sunk. [In fact one or two torpedoes prematured and the target was not hit]. 0318 hours - Dived and retired to seaward. A counter attack was started in which four patterns of depth charges were dropped but none were close.

Submarine HMS Upshot: HMS Upshot (Lt. H.W. Wilkinson, RN) is undocked.

Submarine HMS Urtica: HMS Urtica (Lt. K.H. Martin, RN) participated in A/S exercises off Campbeltown.

Submarine HMS Viking: HMS Viking (Lt. R. Bannar-Martin, DSC, RN) conducted A/S and attack exercises off Dundee with HMS Milne (Capt. M. Richmond, DSO, OBE, RN) and HMS Musketeer (Cdr. R.L. Fisher, OBE, DSC, RN).

Submarine HMS Vox: HMS Vox (Lt. J.M. Michell, RN) returned to Malta on completion of last night's exercises.

Submarine HMS H 34: HMS H 34 (Lt. R.L. Jay, RN) conducted exercises in the Clyde area.

Submarine HMS H 43: HMS H 43 (Lt. F.R. Lawrence, RN) participated in A/S exercises off Campbeltown.

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

Submarine HMS H 50: HMS H 50 (Lt. W.T.J. Fox, RN) conducted A/S exercises off Campbeltown with HMS La Cordeliere (Lt.Cdr. A.J.G. Barff, RNR) and HMS Bretwalda (Ch.Skr. J.B. Henderson, RNR).

Battleship HMS Malaya: HMS Malaya (Capt. E.W. Bush, DSO and Bar, DSC, RN) conducted gunnery exercises at Scapa Flow.

Submarine USS R-1: USS R-1 (Lt. W.A. Schoenfeld, USN) conducted exercises off Bermuda.

Submarine USS R-2: USS R-2 (Lt.Cdr. L.G. Bernard, USN) conducted exercises off Key West.

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

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

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

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

Submarine USSR M-113: M-113 fires a torpedo against a German convoy with the auxiliary submarine chaser

Submarine HMS L 23: HMS L 23 (Lt. H.R. Murray, RN) participated in A/S exercises off Digby.

1945

Destroyer USS Walke (ii): USS Walke arrived at Leyte, Philippines.

Submarine USS Seadragon: USS Seadragon (Lt.Cdr. L.L. Davis, Jr., USN) conducted exercises off Key West.

Submarine USS Stingray: USS Stingray departed New London, Connecticut for the Philadelphia Navy Yard.

Submarine USS Tarpon: USS Tarpon (Lt.Cdr. G.F. Richardson, USN) arrived at New London, Connecticut from the Philadelphia Navy Yard.

Submarine USS Bowfin: USS Bowfin (Cdr. A.K. Tyree, USN) conducted trials off Pearl Harbour.

Submarine USS Blower: USS Blower (Lt.Cdr. N.P. Watkins, USN) ended her 3th war patrol at Fremantle, Australia.

Submarine USS Bugara: USS Bugara (Cdr. A.F. Schade, USN) sank five small vessels with gunfire in the Gulf of Siam. (All times are zone I, -9) 0945 hours - In position 11°53'N, 99°49'E boarded a 50 tons coaster. Cargo was rice for Singapore. Sank him with gunfire. Ammunition used 4 rounds of 5". 1044 hours - In position 11°45'N, 100°01'E closed another coaster of 50 tons with Rice for Singapore. While alongside an aircraft (Pete float plane) was seen. As the crew of the coaster had already abandoned ship quickly sank the coaster with gunfire. Ammunition used 3 rounds of 5". Meanwhile the aircraft turned around and left the area !?. 1340 hours - In position 11°54'N, 99°51'E spotted a large schooner close to the beach. Decided he was worth the risk of going into shallow water. Did not stop to determine the cargo and sank the schooner with gunfire. Ammunition used 4 rounds of 5". He settled on the bottom in 24 feet of water. Then got out of there and made for deeper water. 1635 hours - In position 12°21'N, 100°10'E boarded the schooner Kiat Ann (75 ton) listed with a cargo of sugar from Singapore to Bangkok. But the crew said it was rice from Bangkok to Singapore. Sank the schooner with gunfire. Ammunition used 6 rounds of 5". 2125 hours - In position 11°50'N, 99°58'E went alongside a junk of 25 tons. The junk was empty but the crew said they had just delivered rice to Singapore and were going back for another load. Sank the junk with gunfire. Ammunition used 17 rounds of 40mm.

Submarine USS Chopper: USS Chopper (Cdr. S. Filipone, USN) arrived in the Panama Canal Zone from Key West, Florida.

Submarine USS Parche: USS Parche (Lt.Cdr. W.W. McCrory) ended her 6th war patrol at Pearl Harbor.

Submarine USS Sennet: While operating in the Sea of Japan off the west coast of Honshu USS Sennet (Lt.Cdr. C.R. Clark, Jr.) torpedoed and sank the Japanese merchant cargo ships Hagikawa Maru (2995 GRT) about 8 nautical miles west of Noshiro harbour in position 40°17'N, 139°50'E, and Unkai Maru No.15 (1205 GRT) and Hakuei Maru (2863 GRT) off Sakata in position 39°49'N, 139°47'E.

Submarine HMS Rorqual: HMS Rorqual (Lt. J.P.H. Oakley, DSC, RN) is put in reserve at Portsmouth.

Submarine HMS Sidon: At 1938 hours (zone -9), in position 11.57'N, 112.48'E HMS Sidon (Lt. H.C. Gowan, RN) picked up 2nd Lt. S. Reed, USAAF from a raft.

Submarine HMS Tuna: HMS Tuna (Lt.Cdr. R.L. Alexander, DSO, DSC, RN) arrived at Portsmouth.

Submarine HMS Tireless: HMS Tireless (A/Lt.Cdr. M.L.C. Crawford, DSC and Bar, RN) conducted independent exercises in the Clyde area.

Submarine HMS Tudor: HMS Tudor (Lt. S.A. Porter, DSC, RN) sank two Japanese sea trucks with gunfire in the Java Sea in position 06°48'S, 109°31'E. (All times are zone -9) 1625 hours - Sighted two sea trucks of about 250 tons each. They were Westbound. No escort or air cover was visible. Closed the 10 fathom line submerged. 1637 hours - Surfaced in position 06°48'S, 109°31'E and opened fire on the leading sea truck. Scored hits on both and the both turned towards the beach and beached themselves. Both were abandoned by the crews. A total of 113 rounds of 4" were fired. Both vessels took many hits. 1707 hours - Turned to the seaward. 1719 hours - Dived in position 06°44'S, 19°34'E.

Submarine HMS Trump: HMS Trump (A/Lt.Cdr. A.A. Catlow, RN) enters Sunda Strait after her sweep along the south coast of Java.

Submarine HMS Truncheon: HMS Truncheon (A/Lt.Cdr. R.J. Clutterbuck, DSO, RN) conducted exercises in the Clyde area.

Submarine HMS Upstart: HMS Upstart (Lt. R. Westlake, RNVR) departed Malta for Piraeus.

Submarine HMS Astute: HMS Astute (A/Lt.Cdr. R. Gatehouse, DSC, RN) conducted torpedo discharge trials at the torpedo firing range at Arrochar.

Submarine USS R-13: USS R-13 (Lt. D.C. Bowman, USNR) conducted exercises off Key West.

Submarine USS R-18: USS R-18 conducted exercises off Key West.

Submarine USS R-20: USS R-20 (Lt. R.G. Black, USNR) conducted exercises off Key West.

Submarine USS Sea Leopard: Having completed her torpedo trials, USS Sea Leopard (Cdr. R.E.M. Ward, USN) shifted from Newport, Rhode Island to New London, Connecticut.