Italian submarines in World War Two


Tito Speri (TS)
Speri

TypeOcean going 
ClassMameli (3) 
Laid down 28 Sep 1925 Cantieri Navale Tosi di Taranto, Taranto
Launched25 May 1928
Commissioned20 Aug 1929
End service
Stricken1 Feb 1948
Loss date
Loss position
History Stricken on 1st February 1948.
Fate

Commands


CommanderDate fromDate toCommand notes
C.C. Mario Vannutelli7 Jun 194018 Sep 1940
T.V. Alberto Galeazzi19 Sep 19403 Jan 1941
T.V. Carlo Forni4 Jan 19419 Apr 1941
C.C. Alberto Avogrado di Cerrione Trotti Bentivoglio18 May 19414 Jun 1941
C.C. Enzo Grossi16 Jun 194131 Jul 1941
C.C. Paolo Vagliasindi1 Aug 194110 Feb 1942
C.C. Mario Paolo Pollina20 Feb 19423 Mar 1942
C.C. Giovanni Cunsolo1 Apr 19428 Apr 1942
C.C. Loris Albanese9 Apr 194222 May 1942
C.F. Candido Corvetti23 May 19421 Jul 1942
C.F. Riccardo Boris2 Jul 194214 Feb 1943
C.C. Pietro Abate15 Feb 194328 Feb 1943
C.F. Alcide Bardi1 Mar 19436 Mar 1943
C.C. Raul Galletti7 Mar 194328 Jun 1943
T.V. Pier Vittorio Casarini29 Jun 19431 Jul 1943
C.C. Raul Galletti2 Jul 194317 Jul 1943
C.C. Rino Erler20 Aug 194322 Dec 1943
T.V. Claudio Celli22 Dec 1943Aug 1945

Patrols and events

 CommanderDateTimePortArr. dateArr. timeArr. portMilesDescription
Vannutelli, Mario22 Jun 19400905Taranto22 Jun 19401500Taranto5Exercises.

Vannutelli, Mario29 Jun 19400705Taranto29 Jun 19401300Taranto2,5Exercises.

Vannutelli, Mario30 Jun 19400800Taranto30 Jun 19401830Taranto59,4Exercises.

Vannutelli, Mario8 Jul 19400755Taranto8 Jul 19401825Taranto70,3Exercises.

Vannutelli, Mario12 Jul 19400805Taranto12 Jul 19401825Taranto80,7Exercises.

Vannutelli, Mario19 Jul 19400530Taranto19 Jul 19401330Taranto45,4Exercises.

1Vannutelli, Mario22 Jul 19401815Taranto10 Aug 19401245Taranto1761,2Patrolled off Alexandria, between 32°00'N and 33°00'N, and between 27°40'E and 28°40'E, on a patrol line with Mameli.
  29 Jul 19400800-153033° 26'N, 28° 12'EAt 0720 hours, H.E. were heard and at 0800 hours they were amplified and these proved to be four A/S vessels. They began depth charging the submarine which went down to 70-80 metres. At 0945 hours, distinct ASDIC pings were heard. By 1530 hours, the depth charging had subsided and the submarine made good her escape.

Vannutelli, Mario14 Aug 19400915Taranto15 Aug 19400645Messina245Passage Taranto-Messina with the submarine Mameli.

Vannutelli, Mario14 Sep 19400615Messina14 Sep 19401640Messina71,5Exercises.

Galeazzi, Alberto19 Sep 19400610Messina19 Sep 19401430Messina58,5Exercises.

Galeazzi, Alberto23 Sep 19400600Messina23 Sep 19401550Messina71Exercises.

2Galeazzi, Alberto13 Oct 19400600Messina23 Oct 19401340Messina1277,5Patrolled between Crete and Alexandria, within 10 miles from a line between 33°55'N, 24°30'E, and between 33°10'E and 24°00'E.
  14 Oct 19401232
(0) 120 miles from Malta (probably NE).
The submarine heard several explosions of bombs some quite close but hydrophones did not detect any sound so these must have come from an enemy bomber. She escaped damage.

Galeazzi, Alberto5 Nov 19400800Messina5 Nov 19401630Messina62Exercises.

Galeazzi, Alberto16 Nov 19401300Messina17 Nov 19401030Taranto253Passage Messina-Taranto. Then long refit.

Galeazzi, Alberto1 Jan 19410920Taranto1 Jan 19411750Taranto37Trials after refit.

Forni, Carlo4 Jan 19411120Taranto4 Jan 19411544Taranto35Trials after refit.

Forni, Carlo5 Jan 19410740Taranto5 Jan 19411400Taranto25Exercises.

Forni, Carlo7 Jan 19410730Taranto7 Jan 19411315Taranto36Exercises escorted by the minesweeper R.D.24.

Forni, Carlo8 Jan 19410800Taranto8 Jan 19411530Taranto40Exercises.

Forni, Carlo10 Jan 19410830Taranto10 Jan 19411530Taranto59Exercises with the submarines Millelire and Ondina.

3Forni, Carlo11 Jan 19410730Taranto22 Jan 19411400Taranto983Patrolled south of Strait of Otranto, on 39°00'N parallel, between 19°00'E and 19°40'E. On the evening of 20th January, patrol was shifted 20 miles to the south.
  17 Jan 19410845
(0) South of the Strait of Otranto.
Three destroyers appear to have hunted the submarine, but did not carry out any attack. The submarine went down to 65 metres and escaped.

Forni, Carlo6 Feb 19410845Taranto6 Feb 19411650Taranto52Exercises.

Forni, Carlo8 Feb 19410845Taranto8 Feb 19411135Taranto25Exercises, escorted by the minesweeper R.D.13.

Forni, Carlo9 Feb 19411409Taranto9 Feb 19411645Taranto23,5Exercises.

Forni, Carlo10 Feb 19411400Taranto10 Feb 19411615Taranto6Exercises.

4Forni, Carlo11 Feb 19410915Taranto23 Feb 19411500Taranto1061,5Patrolled south of Otranto Straits, 10 miles from 38°40'N, 19°40'E on the parallel. Uneventful.

Forni, Carlo11 Mar 19410840Taranto11 Mar 19411645Taranto52Trials with the submarine H.2, escorted by the minesweeper R.D.13.

Forni, Carlo13 Mar 19410830Taranto13 Mar 19411235Taranto40Exercises.

5Forni, Carlo16 Mar 19412100Taranto17 Mar 19410950Taranto96Hydrophone watch off Taranto.

Forni, Carlo20 Mar 19411115Taranto22 Mar 19411000Pola516,5Passage Taranto-Pola.

10 May 19410830Pola10 May 19411845Pola61Exercises.

13 May 19410815Pola13 May 19411800Pola51Exercises with the submarine Alagi escorted by the auxiliary Jadera.

16 May 19411455Pola16 May 19411820Pola26Exercises.

Avogrado di Cerrione Trotti Bentivoglio, Alberto19 May 19410800Pola19 May 19411915Pola77Exercises.

Avogrado di Cerrione Trotti Bentivoglio, Alberto20 May 19410800Pola20 May 19411920Pola67Exercises with the submarine Narvalo, escorted by the auxiliary Morrhua.

Avogrado di Cerrione Trotti Bentivoglio, Alberto22 May 19410730Pola23 May 19410215Pola96Exercises.

Avogrado di Cerrione Trotti Bentivoglio, Alberto24 May 19410730Pola24 May 19411845Pola75Exercises with the submarines Narvalo, Pisani, Bausan and Toti, escorted by the auxiliaries San Giorgio, Jadera and Morrhua.

Avogrado di Cerrione Trotti Bentivoglio, Alberto28 May 19410730Pola28 May 19411915Pola72Exercises.

Avogrado di Cerrione Trotti Bentivoglio, Alberto30 May 19411045Pola31 May 19410204Pola94Exercises.

Avogrado di Cerrione Trotti Bentivoglio, Alberto2 Jun 19410755Pola2 Jun 19411730Pola76Exercises.

Avogrado di Cerrione Trotti Bentivoglio, Alberto4 Jun 19410800Pola5 Jun 19410215Pola86,2Exercises with the submarine Bausan, escorted by the torpedo boat Cantore and the auxiliary San Giorgio.

Avogrado di Cerrione Trotti Bentivoglio, Alberto6 Jun 19410749Pola6 Jun 19411915Pola97Exercises.

Avogrado di Cerrione Trotti Bentivoglio, Alberto7 Jun 19410800Pola7 Jun 19411300Pola52,1Exercises.

Avogrado di Cerrione Trotti Bentivoglio, Alberto9 Jun 19410740Pola9 Jun 19411815Pola68Exercises.

Grossi, Enzo17 Jun 19410835Pola17 Jun 19411645Pola35Exercises.

Grossi, Enzo28 Jun 19410800Pola29 Jun 19410345Pola77Exercises with the submarine Pisani, escorted by the auxiliary Jadera and the torpedo boat Insidioso.

Grossi, Enzo30 Jun 19410800Pola30 Jun 19411835Pola59Exercises.

Grossi, Enzo1 Jul 19410800Pola2 Jul 19410245Pola90Exercises with the submarine Des Geneys, escorted by the auxiliaries Jadera and Grado.

Grossi, Enzo3 Jul 19411224Pola3 Jul 19411822Pola66Gunnery exercises with Pisani, Jalea and the auxiliary Principessa Mafalda.

Grossi, Enzo5 Jul 19410800Pola6 Jul 19410240Pola122Defensive patrol or exercises.

Grossi, Enzo8 Jul 19410800Pola8 Jul 19411642Pola70Exercises, escorted by the torpedo boat Audace and the auxiliary San Giorgio.

Grossi, Enzo10 Jul 19411823Pola13 Jul 19410915Pola441Exercises.

Grossi, Enzo15 Jul 19410800Pola15 Jul 19411800Pola72Exercises.

Grossi, Enzo18 Jul 19410800Pola18 Jul 19411620Pola68Exercises.

Grossi, Enzo19 Jul 19410800Pola20 Jul 19410215Pola115Exercises.

Vagliasindi, Paolo6 Aug 19410800Pola6 Aug 19411845Pola69Exercises.

Vagliasindi, Paolo8 Aug 19410805Pola8 Aug 19411705Pola67,5Exercises.

Vagliasindi, Paolo11 Aug 19410805Pola11 Aug 19411745Pola62Exercises.

Vagliasindi, Paolo13 Aug 19411205Pola13 Aug 19412000Pola64Exercises.

Vagliasindi, Paolo19 Aug 19410807Pola19 Aug 19411830Pola81Sailed with the submarines Jalea and Toti, escorted by the auxiliaries San Giorgio and Salvore, for torpedo firing exercises with the torpedo boat Insidioso.

Vagliasindi, Paolo20 Aug 19410750Pola20 Aug 19411825Pola61Exercises.

Vagliasindi, Paolo22 Aug 19410710Pola22 Aug 19411645Pola60Sailed with the submarine Medusa, escorted by the auxiliary Morrhua, for torpedo firing exercises with the torpedo boat Insidioso.

Vagliasindi, Paolo29 Aug 19411310Pola30 Aug 19410250Pola80Exercises, escorted by the auxiliary Salvore.

Vagliasindi, Paolo1 Sep 19411045Pola2 Sep 19410140Pola90Exercises.

Vagliasindi, Paolo5 Sep 19410800Pola5 Sep 19411720Pola71Exercises.

Vagliasindi, Paolo8 Sep 19410800Pola8 Sep 19411755Pola61Exercises with the submarines Jalea, Cagni and Des Geneys, escorted by the auxiliaries Salvore, Jadera and Morrhua.

Vagliasindi, Paolo11 Sep 19411030Pola11 Sep 19411900Pola67Exercises with the submarine Medusa, escorted by the auxiliary Jadera, and torpedo firing exercise on the torpedo boat Audace.

Vagliasindi, Paolo12 Sep 19410755Pola12 Sep 19411810Pola67Exercises.

Vagliasindi, Paolo15 Sep 19410750Pola15 Sep 19411755Pola70Exercises with the submarine Toti, escorted by the auxiliary Morrhua.

Vagliasindi, Paolo19 Sep 19411005Pola20 Sep 19410210Pola86Exercises with the submarine Jalea, escorted by the auxiliary Morrhua.

Vagliasindi, Paolo22 Sep 19410802Pola22 Sep 19411732Pola60Exercises.

6Vagliasindi, Paolo25 Sep 19411620Pola28 Sep 19411130Pola379A/S patrol west of Grossa Island, between 44°11'N and 43°38'N, and between 14°17'E and eastern Adriatic coast. Uneventful.

Vagliasindi, Paolo3 Oct 19411115Pola4 Oct 19410140Pola84Exercises with the submarine Toti, escorted by the auxiliary Salvatore.

7Vagliasindi, Paolo4 Oct 19411645Pola5 Oct 19411515Pola149Antisubmarine patrol off Pola, between 44°47'N, 13°32'E and 45°14.5'N, 12°38'E to cover passage of S.S. Stockholm from Venice to Trieste. Uneventful.

8Vagliasindi, Paolo9 Oct 19411655Pola11 Oct 19410300Pola447Hydrophone watch off Pola.

Vagliasindi, Paolo14 Oct 19411040Pola14 Oct 19411900Pola63Exercises.

Vagliasindi, Paolo17 Oct 19411005Pola17 Oct 19411830Pola61Exercises with the submarine Toti, escorted by the auxiliary Morrhua.

Vagliasindi, Paolo21 Oct 19410805Pola21 Oct 19411725Pola65Exercises with the submarine Toti, escorted by the auxiliary Morrhua.

Vagliasindi, Paolo23 Oct 19410810Pola23 Oct 19411725Pola60Exercises, escorted by the auxiliary Morrhua.

Vagliasindi, Paolo27 Oct 19410805Pola27 Oct 19411645Pola57Exercises, escorted by the auxiliary Morrhua.

Vagliasindi, Paolo29 Oct 19410805Pola29 Oct 19411735Pola56Exercises with the submarine Des Geneys, escorted by the torpedo boat Audace.

Vagliasindi, Paolo30 Oct 19410810Pola30 Oct 19411720Pola58Exercises, escorted by the auxiliary Salvore.

Vagliasindi, Paolo3 Nov 19410808Pola3 Nov 19411645Pola66Exercises with the submarine Mameli, escorted by Morrhua.

Vagliasindi, Paolo5 Nov 19410808Pola5 Nov 19411645Pola57,5Exercises, escorted by the auxiliaries San Giorgio and Grado.

Vagliasindi, Paolo10 Nov 19410800Pola10 Nov 19411650Pola61Exercises, escorted by the torpedo boat Audace and the auxiliary Jadera.

Vagliasindi, Paolo28 Nov 19410907Pola28 Nov 19411700Pola66Exercises with the submarines Pisani, Jalea and Mameli, escorted by the auxiliaries Jadera and Tron.

Vagliasindi, Paolo2 Dec 19410808Pola2 Dec 19411715Pola61Exercises, escorted by the auxiliaries Jadera and Trau

Vagliasindi, Paolo3 Dec 19410805Pola3 Dec 19411656Pola63Exercises, escorted by the torpedo boat Audace and the auxiliaries Trau, Jadera and San Giorgio.

Vagliasindi, Paolo6 Dec 19410808Pola6 Dec 19411700Pola60Exercises with the submarines Bajamonti, Mameli, Des Geneys and Toti, escorted by the auxiliaries Audace, Jadera, Trau and San Giorgio.

Vagliasindi, Paolo12 Dec 19410808Pola12 Dec 19411700Pola66Exercises with the submarines Pisani and Jalea, escorted by the torpedo boat Insidioso and the auxiliaries Trau and San Giorgio.

Vagliasindi, Paolo15 Dec 19410800Pola15 Dec 19411705Pola73Exercises with the submarine Medusa, escorted by the auxiliary San Giorgio.

Vagliasindi, Paolo22 Dec 19410835Pola22 Dec 19411700Pola58Exercises with the submarine Des Geneys, escorted by the auxiliary Jadera.

Vagliasindi, Paolo23 Dec 19411610Pola24 Dec 19410030Pola59Exercises with the submarine Mameli, escorted by the auxiliary Jadera.

Vagliasindi, Paolo27 Dec 19410807Pola27 Dec 19411715Pola66Exercises with the submarine Jalea, escorted by the auxiliary San Giorgio.

Vagliasindi, Paolo29 Dec 19410830Pola29 Dec 19411710Pola65Gunfire exercises, escorted by the auxiliary Trau.

Vagliasindi, Paolo30 Dec 19410808Pola30 Dec 19411700Pola66Gunfire exercises with the submarines Toti and Medusa, escorted by the auxiliaries Jadera, Grado and Trau.

Vagliasindi, Paolo2 Jan 19420630Pola2 Jan 19422330Pola62Torpedo firing exercises.

Vagliasindi, Paolo5 Jan 19420827Pola5 Jan 19421800Pola70Exercises with the submarines Jalea, Des Geneys, Medusa and Ondina, escorted by the torpedo boat Audace, and the auxiliaries Jadera, San Giorgio and Trau.

Vagliasindi, Paolo12 Jan 19421100Pola13 Jan 19420010Pola82Exercises.

9Vagliasindi, Paolo22 Jan 19421420Pola23 Jan 19420800Pola102Patrolled in northern Adriatic. Uneventful.

Vagliasindi, Paolo26 Jan 19420835Pola26 Jan 19421805Pola46Exercises with the submarines Mameli and Pisani, escorted by the torpedo boat Calatafimi and the auxiliaries San Giorgio and Trau.

Vagliasindi, Paolo29 Jan 19421030Pola29 Jan 19422130Pola72Exercises with the submarine Pisani, escorted by the auxiliary San Giorgio.

Vagliasindi, Paolo7 Feb 19420820Pola9 Feb 19420930Taranto480Passage Pola-Taranto. Sighted only Italian ships.

Pollina, Mario Paolo20 Feb 1942Taranto3 Mar 1942TarantoIn reserve at Taranto.

Pollina, Mario Paolo5 Mar 19420800Taranto5 Mar 19421730Taranto46Exercises.

Cunsolo, Giovanni1 Apr 1942Taranto8 Apr 1942TarantoIn reserve at Taranto.

Albanese, Loris9 Apr 1942Taranto22 May 1942TarantoIn reserve at Taranto.

Corvetti, Candido23 May 1942Taranto1 Jul 1942TarantoIn reserve at Taranto.

Boris, Riccardo2 Jul 1942Taranto14 Feb 1943TarantoIn reserve at Taranto.

Abate, Pietro15 Feb 1943Taranto28 Feb 1943TarantoIn reserve at Taranto.

Bardi, Alcide1 Mar 1943Taranto6 Mar 1943TarantoIn reserve at Taranto.

Galletti, Raul7 Mar 1943Taranto28 Jun 1943TarantoIn reserve at Taranto.

Casarini, Pier Vittorio29 Jun 1943Taranto1 Jul 1943TarantoIn reserve at Taranto.

Galletti, Raul2 Jul 1943Taranto17 Jul 1943TarantoIn reserve at Taranto.

Erler, Rino2 Sep 1943Taranto2 Sep 1943TarantoTrials.

Erler, Rino7 Sep 1943Taranto7 Sep 1943TarantoTrials.

Erler, Rino13 Oct 1943Taranto13 Oct 1943TarantoTrials.

Erler, Rino21 Oct 1943Taranto21 Oct 1943TarantoTrials.

Erler, Rino5 Nov 1943Taranto5 Nov 1943TarantoTrials.

Erler, Rino17 Nov 1943Taranto17 Nov 1943TarantoTrials.

Erler, Rino18 Nov 1943Taranto18 Nov 1943TarantoExercising with the torpedo boat Abba.

Erler, Rino19 Nov 1943Taranto19 Nov 1943TarantoTrials.

Erler, Rino29 Nov 1943Taranto29 Nov 1943TarantoTrials.

Erler, Rino30 Nov 1943Taranto30 Nov 1943TarantoTrials.

Erler, Rino2 Dec 1943Taranto2 Dec 1943TarantoTrials.

Erler, Rino3 Dec 1943Taranto3 Dec 1943TarantoTrials.

Erler, Rino10 Dec 1943Taranto10 Dec 1943TarantoTrials.

Erler, Rino17 Dec 1943Taranto17 Dec 1943TarantoTrials.

Erler, Rino20 Dec 1943Taranto20 Dec 1943TarantoExercising with the torpedo boat Abba.

Erler, Rino20 Dec 1943Taranto20 Dec 1943TarantoTrials.

Erler, Rino31 Dec 1943Taranto31 Dec 1943TarantoTrials.

Celli, Claudio3 Jan 19441210Taranto5 Jan 19441510PantelleriaPassage Taranto-Pantelleria with the submarines Dandolo, Marea, Vortice and Mameli, escorted by the destroyer Grecale.

Celli, Claudio8 Jan 19440645Pantelleria9 Jan 19441645AlgiersPassage Pantelleria-Algiers with the submarines Dandolo, Marea, Vortice and Mameli, escorted by the destroyer Grecale.
  9 Jan 19441105
1124 (e)
36° 47'N, 5° 37'E
(e) 37° 21'N, 4° 42'E
(0) German Grid CH 9525.
The submarine sighted an explosion followed at 1107 hours by another at distance of 200 meters. The escorting destroyer, Grecale, signalled that they were under air attack but these were actually premature explosions from torpedoes fired by U-616 (OL Siegfried Koitschka). The Italians vessels were unaware that they had been under attack from a U-boat and for security reasons were diverted to Algiers.

Celli, Claudio11 Jan 19440655Algiers13 Jan 19441300Gibraltar1841Passage Algiers-Gibraltar with the submarines Dandolo, Marea, Vortice and Mameli, escorted by the destroyer Grecale. Tito Speri, had her port main motor armatures burnt out and she could only use her starboard motor when dived, but both her diesels were available [mileage is from 3rd January].

Celli, Claudio27 Jan 19440800Gibraltar27 Jan 19441015GibraltarPassage Gibraltar-Bermuda with the submarines Dandolo, Marea, Vortice and Mameli, escorted by the escort destroyer USS Neunzer (DE-150), but turned back because of defects.

Celli, Claudio29 Jan 19440800Gibraltar13 Feb 19441610Port Hamilton (Bermuda)3382Passage Gibraltar-Bermuda with the submarines Dandolo, Marea, Vortice and Mameli, escorted by the destroyer escort USS Neunzer (DE-150). Refuelled by Neunzer on 6th February. Escorted in by the tug USS Cherokee (AT-66). Then refit in Bermuda [mileage is from 27th January].

Celli, Claudio3 Jul 19441310Port Royal7 Jul 19441015Portsmouth (NH)752Passage Port Royal-Portsmouth (NH) for major overhaul, escorted by the destroyer escort USS Lawrence C. Taylor (DE-415). Note: the submarine tested her armament (102/45 cannon and 13.2 mm machine-guns).

Celli, Claudio14 Sep 19440620Portsmouth (NH)14 Sep 19441840Portsmouth (NH)83Trials.

Celli, Claudio19 Sep 19440910Portsmouth (NH)19 Sep 19441532Portsmouth (NH)38Trials.

Celli, Claudio21 Sep 19441515Portsmouth (NH)24 Sep 19441156Port Royal850Passage Portsmouth (New Hampshire)-Port Royal with the submarines Atropo and Dandolo, escorted by the frigate HMS Papua.

Celli, Claudio26 Sep 19440705Port Royal26 Sep 19441715Port Royal44Exercises with the destroyer escorts USS Woodson (DE-359) and USS Bray (DE-709).

Celli, Claudio27 Sep 19440700Port Royal27 Sep 19441800Port Royal49A/S exercises.

Celli, Claudio28 Sep 19440655Port Royal28 Sep 19441815Port Royal64,5A/S exercises.

Celli, Claudio29 Sep 19440650Port Royal29 Sep 19441710Port Royal49A/S exercises.

Celli, Claudio30 Sep 19440650Port Royal30 Sep 19441800Port Royal54A/S exercises.

Celli, Claudio1 Oct 19440650Port Royal1 Oct 19441720Port Royal75,5A/S exercises.

Celli, Claudio2 Oct 19440650Port Royal2 Oct 19441837Port Royal64,5A/S exercises.

Celli, Claudio3 Oct 19440655Port Royal3 Oct 19441830Port Royal61A/S exercises.

Celli, Claudio9 Oct 19441800Port Royal9 Oct 19441833Port Royal11Change anchorage. Time or mileage apparently incorrect.

Celli, Claudio10 Oct 19440650Port Royal10 Oct 19441800Port Royal79,5A/S exercises.

Celli, Claudio11 Oct 19440630Port Royal11 Oct 19441700Port Royal81A/S exercises.

Celli, Claudio12 Oct 19440645Port Royal12 Oct 19441858Port Royal104,5A/S exercises.

Celli, Claudio13 Oct 19440645Port Royal13 Oct 19441729Port Royal61A/S exercises.

Celli, Claudio14 Oct 19440650Port Royal14 Oct 19441442St. George41A/S exercises.

Celli, Claudio15 Oct 19440810St. George15 Oct 19442005St. George60A/S exercises.

Celli, Claudio16 Oct 19440800St. George16 Oct 19441933Port Royal72A/S exercises.

Celli, Claudio17 Oct 19440650Port Royal17 Oct 19441820Port Royal77,5A/S exercises.

Celli, Claudio18 Oct 19440700Port Royal21 Oct 19441015Port Royal368,8A/S exercises with the patrol vessel USS PCE-847, escort carrier USS Croatan (CVE-25) [TG 22.5], and her escort destroyers USS Frost (DE-144), USS Huse (DE-145), USS Inch (DE-146), USS Snowden (DE-246) on 18th October, with Frost, Huse and USS Swasey (DE-248) on 19th October, with Frost, Inch, Huse and Swasey on 20th October, with Frost, Huse and Swasey on 21st October.

Celli, Claudio23 Oct 19440655Port Royal23 Oct 19441830Port Royal57A/S exercises.

Celli, Claudio24 Oct 19440655Port Royal24 Oct 19441555Greet Sound (Bermuda)47A/S exercises. Possibly with the USS Bogue (CVE-9) group.

Celli, Claudio25 Oct 19441200Greet Sound (Bermuda)25 Oct 19441305Greet Sound (Bermuda)8Changed anchorage.

Celli, Claudio26 Oct 19440655Greet Sound (Bermuda)26 Oct 19440935Port Royal9,5A/S exercises.

Celli, Claudio27 Oct 19440655Port Royal29 Oct 19441100Port Royal261A/S exercises with the escort carrier USS Bogue (CVE-9) and the destroyer escorts USS Haverfield (DE-393), USS Swenning (DE-394), USS Willis (DE-395), USS Janssen (DE-396), USS Wilhoite (DE-397) and USS Cockrill (DE-398). Speri was escorted by the minesweeper USS Method (AM-264) and was equipped with a mock-up Schnorkel (Snorkel).

Celli, Claudio30 Oct 19441405Port Royal31 Oct 19441543Port Royal134A/S exercises with escort carrier USS Croatan (CVE-25) [TG 22.5], escort destroyers USS Huse (DE-145), USS Inch (DE-146), USS Snowden (DE-246) [and two other escort destroyers?], minesweeper USS Method (AM-264) and patrol vessel USS PCE-847.

Celli, Claudio2 Nov 19440700Port Royal2 Nov 19441850Port Royal108,5A/S exercises with the destroyer escort USS Rombach (DE-364).

Celli, Claudio4 Nov 19440740Port Royal4 Nov 19441740Port Royal67,5A/S exercises with the destroyer esorts USS Haverfield (DE-393), USS Janssen (DE-396) and USS Wilhoite (DE-397).

Celli, Claudio5 Nov 19440545Port Royal5 Nov 19441735Port Royal86A/S exercises.

Celli, Claudio6 Nov 19440610Port Royal6 Nov 19441720Port Royal79,5A/S exercises with the destroyer esorts USS Haverfield (DE-393), USS Janssen (DE-396) and USS Wilhoite (DE-397).

Celli, Claudio7 Nov 19440935Port Royal7 Nov 19441115St. George15,5Passage Port Royal-St George for refit.

Celli, Claudio14 Nov 19440725St. George14 Nov 19441650Port Royal62Passage St George-Port Royal.

Celli, Claudio15 Nov 19440610Port Royal15 Nov 19441650Port Royal76,5A/S exercises with the fleet tug USS Kiowa (ATF-72).

Celli, Claudio16 Nov 19440620Port Royal16 Nov 19441045Port Royal42A/S exercises.

Celli, Claudio17 Nov 19440625Port Royal17 Nov 19441615Port Royal59A/S exercises.

Celli, Claudio20 Nov 19440615Port Royal23 Nov 19442123St. George557A/S exercises with the escort carrier USS Core (CVE-13) and probably the destroyer escorts USS Moore (DE-240), USS Keith (DE-241), USS Tomich (DE-242), USS J. Richard Ward (DE-243), USS Ottersetter (DE-244), USS Sloat (DE-245) and the patrol vessel USS PCE-846. Exercises on 20th November and in the morning of 21st but interrupted in the afternoon due to heavy seas. Then again on 22nd November but one aircraft crashed in the sea while taxiing for take off, but the crew of two was picked up. Exercises again interrupted due to weather conditions.

Celli, Claudio24 Nov 19440610St. George24 Nov 19440814Port Royal15,5A/S exercises.

Celli, Claudio25 Nov 19440635Port Royal25 Nov 19441645Port Royal43A/S exercises.

Celli, Claudio27 Nov 19440635Port Royal27 Nov 19441635Port Royal64A/S exercises with the high speed transports USS Kinzer (APD-91), USS Raymon W. Herndon (APD-121) and the frigate USS Sheboygan (PF-57).

Celli, Claudio29 Nov 19440615Port Royal29 Nov 19441640Port Royal55A/S exercises.

Celli, Claudio2 Dec 19440640Port Royal2 Dec 19441725Port Royal71A/S exercises.

Celli, Claudio3 Dec 19440630Port Royal5 Dec 19441140Port Royal434A/S exercises with the escort carrier USS Card (CVE-11), and the destroyer escorts USS Thomas (DE-102), USS Bostwick (DE-103), USS Breeman (DE-104), USS Bronstein (DE-189), USS Baker (DE-190) and USS Coffman (DE-191) of TG 22.2. Speri was escorted out by the minesweeper USS Indicative (AM-250), which briefly had to turn back to land a case of appendicitis.

Celli, Claudio13 Dec 19440635Port Royal13 Dec 19441615Port Royal68A/S exercises.

Celli, Claudio14 Dec 19440630Port Royal14 Dec 19441700Port Royal59A/S exercises.

Celli, Claudio16 Dec 19440640Port Royal16 Dec 19441650Port Royal52A/S exercises.

Celli, Claudio17 Dec 19440707Port Royal19 Dec 19441620Port Royal335A/S exercises with the escort carrier USS Card (CVE-11) and the escort destroyers USS Bostwick (DE-103), USS Baker (DE-190) [and possibly USS Thomas (DE-102), USS Breeman (DE-104), Coffman (DE-191), USS Bronstein (DE-189) and USS Coffman (DE-191)].

Celli, Claudio22 Dec 19440705Port Royal22 Dec 19441625Port Royal68A/S exercises with the destroyers USS Compton (DD-705).

Celli, Claudio23 Dec 19440655Port Royal24 Dec 19440525St. George135A/S exercises with the destroyer escort [and possibly the remainder of the USS Card (CVE-11) group as well].

Celli, Claudio24 Dec 19441215St. George24 Dec 19441355Port Royal16Passage St. George-Port Royal.

Celli, Claudio28 Dec 19440705Port Royal28 Dec 19441730Port Royal78A/S exercises.

Celli, Claudio29 Dec 19440710Port Royal29 Dec 19441644St. George63A/S exercises.

Celli, Claudio30 Dec 19440745St. George30 Dec 19441640St. George69A/S exercises with the minesweeper USS Prime (AM-279) and a Killer Group (one destroyer and two frigates).

Celli, Claudio11 Jan 19450700Port Royal11 Jan 19451530Port Royal57A/S exercises.

Celli, Claudio12 Jan 19450700Port Royal12 Jan 19451617Port Royal74A/S exercises.

Celli, Claudio13 Jan 19450719Port Royal16 Jan 19451421Port Royal592,3A/S exercises with the escort carrier USS Bogue (CVE-9) and the escort destroyers USS Haverfield (DE-393), USS Wilhoite (DE-397), USS Cockrill (DE-398) of TG 22.3, USS Frost (DE-144), USS Huse (DE-145), USS Snowden (DE-246), USS Stanton (DE-247) and USS Swasey (DE-248) of TG 22.5 USS Croatan (CVE-25) group) and also with the patrol vessel USS PCE-847.

Celli, Claudio20 Jan 19450650Port Royal20 Jan 19451623Port Royal70A/S exercises. Possibly with the USS Croatan (CVE-25) hunter killer group.

Celli, Claudio21 Jan 19450705Port Royal21 Jan 19451531St. George56A/S exercises. Possibly with the USS Croatan (CVE-25) hunter killer group.

Celli, Claudio22 Jan 19450803St. George22 Jan 19451740Port Royal62A/S exercises. Possibly with the high speed transport USS Gosselin (APD-126). and also possibly with the USS Croatan (CVE-25) hunter killer group.

Celli, Claudio23 Jan 19450645Port Royal23 Jan 19451626Port Royal69A/S exercises, possibly with the USS Croatan (CVE-25) hunter killer group.

Celli, Claudio25 Jan 19450700Port Royal25 Jan 19451632Port Royal66A/S exercises.

Celli, Claudio26 Jan 19450702Port Royal26 Jan 19451113Port Royal34A/S exercises.

Celli, Claudio27 Jan 19450703Port Royal27 Jan 19451734Port Royal72A/S exercises. Possibly with the high speed transports USS Pavlic (APD-70) and USS Gosselin (APD-126).

Celli, Claudio28 Jan 19450702Port Royal28 Jan 19451725Port Royal68A/S exercises.

Celli, Claudio30 Jan 19450703Port Royal30 Jan 19451740Port Royal64A/S exercises. Possibly exercising with the destroyer USS Soley (DD-707). and the high speed transport USS Gosselin (APD-126).

Celli, Claudio1 Feb 19450705Port Royal1 Feb 19451713Port Royal59A/S exercises.

Celli, Claudio2 Feb 19450650Port Royal2 Feb 19451600St. George49A/S exercises.

Celli, Claudio9 Feb 19450817Port Royal9 Feb 19451740St. George53,5A/S exercises.

Celli, Claudio9 Feb 19450817St. George9 Feb 19451740Port Royal53,5A/S exercises.

Celli, Claudio13 Feb 19450645Port Royal13 Feb 19451627Port Royal58A/S exercises with the escort destroyer USS Cross (DE-448) and the frigate USS Lorain (PF-93).

Celli, Claudio14 Feb 19450644Port Royal14 Feb 19451719Port Royal59A/S exercises with the frigate USS Racine (PF-100).

Celli, Claudio15 Feb 19450637Port Royal15 Feb 19451734Port Royal65A/S exercises, escorted out by the minesweeper YMS 306

Celli, Claudio18 Feb 19450635Port Royal18 Feb 19451654Port Royal49A/S exercises.

Celli, Claudio22 Feb 19450652Port Royal22 Feb 19451553Port Royal53A/S exercises.

Celli, Claudio23 Feb 19450644Port Royal23 Feb 19451722Port Royal55A/S exercises.

Celli, Claudio27 Feb 19451552Port Royal3 Mar 19450846Guantanamo (Cuba)1012Passage Port Royal-Guantanamo, escorted by the frigate USS Lorain (PF-93) partly in company with submarine Da Procida.

Celli, Claudio7 Mar 19450735Guantanamo7 Mar 19451558Guantanamo41A/S exercises. Possibly exercised with the frigate USS Davenport (PF-69).

Celli, Claudio9 Mar 19450724Guantanamo9 Mar 19451730Guantanamo41A/S exercises.

Celli, Claudio19 Mar 19450729Guantanamo19 Mar 19451545Guantanamo29A/S exercises.

Celli, Claudio20 Mar 19450720Guantanamo20 Mar 19451551Guantanamo41A/S exercises with the minesweeper USS Dour (AM-223).

Celli, Claudio21 Mar 19450716Guantanamo21 Mar 19451440Guantanamo26,5A/S exercises with the submarine USS R-9 (SS-86) and the destroyers USS Harlan R. Dickson (DD-708) and USS Duncan (DD-874).

Celli, Claudio24 Mar 19450718Guantanamo24 Mar 19451437Guantanamo32,5A/S exercises. Probably with the minesweeper USS Eager (AM-224).

Celli, Claudio25 Mar 19450716Guantanamo25 Mar 19450945Guantanamo13A/S exercises with the high speed transport USS William J. Pattison (APD-104).

Celli, Claudio26 Mar 19450948Guantanamo26 Mar 19451255Guantanamo6Gyrocompass tests.

Celli, Claudio27 Mar 19450710Guantanamo27 Mar 19451735Guantanamo32A/S exercises. the high speed transport USS William J. Pattison (APD-104) exercised with an Italian submarine, either Atropo, Da Procida or Speri.

Celli, Claudio28 Mar 19450712Guantanamo28 Mar 19451700Guantanamo32A/S exercises with the destroyer USS John A. Bole (DD-755).

Celli, Claudio31 Mar 19450708Guantanamo31 Mar 19451727Guantanamo38A/S exercises. The high speed transport USS William J. Pattison (APD-104) exercised with an Italian submarine, either Atropo, Da Procida or Speri.

Celli, Claudio1 Apr 19450712Guantanamo1 Apr 19451507Guantanamo43A/S exercises.

Celli, Claudio2 Apr 19450708Guantanamo2 Apr 19451525Guantanamo38A/S exercises.

Celli, Claudio4 Apr 19450718Guantanamo4 Apr 19451730Guantanamo42A/S exercises.

Celli, Claudio5 Apr 19450720Guantanamo5 Apr 19451455Guantanamo58A/S exercises.

Celli, Claudio7 Apr 19450720Guantanamo7 Apr 19451625Guantanamo42A/S exercises.

Celli, Claudio16 Apr 19450711Guantanamo16 Apr 19451543Guantanamo42A/S exercises.

Celli, Claudio17 Apr 19450715Guantanamo17 Apr 19451629Guantanamo47A/S exercises.

Celli, Claudio18 Apr 19450716Guantanamo18 Apr 19451633Guantanamo42A/S exercises.

Celli, Claudio20 Apr 19450708Guantanamo20 Apr 19451422Guantanamo26A/S exercises.

Celli, Claudio22 Apr 19450713Guantanamo22 Apr 19451450Guantanamo41A/S exercises.

Celli, Claudio23 Apr 19450805Guantanamo23 Apr 19451720Guantanamo51A/S exercises.

Celli, Claudio25 Apr 19450704Guantanamo25 Apr 19451532Guantanamo30A/S exercises.

Celli, Claudio1 May 19450712Guantanamo1 May 19451615Guantanamo34A/S exercises.

Celli, Claudio4 May 19450710Guantanamo4 May 19451612Guantanamo37A/S exercises.

Celli, Claudio5 May 19450710Guantanamo5 May 19451515Guantanamo32A/S exercises.

Celli, Claudio9 May 19450630Guantanamo9 May 19451631Guantanamo44A/S exercises.

Celli, Claudio14 May 19450545Guantanamo16 May 19451519Guantanamo620Passage Guantanamo-Key West, escorted by the patrol vessel USS PCS-1430 for refit. Passage through (E) 22°06'N, 77°22'W at 1154 hours on the 15th (F) 22°37'N, 78°00'W at 1609 hours on the 15th (G) 23°00'N, 79°00'W (H) 23°43'N, 81°00'W (I) 24°10'N, 81°30'W [all times EWT], ETA 1500 EWT 16th May. Then undergoing repairs.

Celli, Claudio21 Jun 19450741Key West (FL)21 Jun 19451502Key West (FL)53Trials.

Celli, Claudio24 Jun 19450750Key West (FL)26 Jun 19450937Guantanamo (Cuba)578Passage Key West-Guantanamo.

Celli, Claudio28 Jun 19450709Guantanamo28 Jun 19451530Guantanamo41A/S exercises.

Celli, Claudio29 Jun 19450932Guantanamo29 Jun 19451746Guantanamo34A/S exercises.

Celli, Claudio30 Jun 19451003Guantanamo30 Jun 19451736Guantanamo40A/S exercises with the destroyer escorts USS Edsall (DE-129) and USS Stewart (DE-238).

Celli, Claudio1 Jul 19450711Guantanamo1 Jul 19451435Guantanamo40A/S exercises.

Celli, Claudio2 Jul 19450639Guantanamo2 Jul 19451510Guantanamo39A/S exercises with the destroyer USS Bordelon (DD-881).

Celli, Claudio3 Jul 19450952Guantanamo3 Jul 19451716Guantanamo31A/S exercises.

Celli, Claudio4 Jul 19450944Guantanamo4 Jul 19451716Guantanamo32A/S exercises.

Celli, Claudio10 Jul 19450925Guantanamo10 Jul 19451741Guantanamo34A/S exercises.

Celli, Claudio26 Jul 19450655Guantanamo26 Jul 19451543Guantanamo42A/S exercises with the high speed transport USS Weiss (APD-135).

Celli, Claudio27 Jul 19450633Guantanamo27 Jul 19451323Guantanamo32A/S exercises with the destroyer USS Harold J. Ellison (DD-864) and the high speed transport USS Weiss (APD-135).

Celli, Claudio28 Jul 19450641Guantanamo28 Jul 19451514Guantanamo47A/S exercises with the destroyer USS Eugene A. Greene (DD-711) and high speed transport USS Weiss (APD-135).

Celli, Claudio30 Jul 19450928Guantanamo30 Jul 19451801Guantanamo34A/S exercises.

Celli, Claudio31 Jul 19450630Guantanamo31 Jul 19451557Guantanamo38A/S exercises. On that day the destroyers USS Eugene A. Greene (DD-711) and USS Herbert J. Thomas (DD-833) exercised with an Italian submarine, probably Da Procida but it could also have been Speri.

Celli, Claudio1 Aug 19450900Guantanamo1 Aug 19451545Guantanamo22A/S exercises.

Celli, Claudio2 Aug 19450652Guantanamo2 Aug 19451438Guantanamo30A/S exercises.

Celli, Claudio3 Aug 19450640Guantanamo3 Aug 19451416Guantanamo27A/S exercises.

Celli, Claudio14 Aug 19450615Guantanamo14 Aug 19451438Guantanamo35A/S exercises.

Celli, Claudio20 Aug 19450639Guantanamo20 Aug 19451438Guantanamo26A/S exercises.

Celli, Claudio22 Aug 19450651Guantanamo22 Aug 19451601Guantanamo37A/S exercises with the destroyer USS Floyd B. Parks (DD-884).

Celli, Claudio23 Aug 19450725Guantanamo23 Aug 19451523Guantanamo37A/S exercises.

Celli, Claudio25 Aug 19450640Guantanamo25 Aug 19451529Guantanamo32A/S exercises with the high speed transport USS Upham (APD-99).

Celli, Claudio26 Aug 19450825Guantanamo26 Aug 19451403Guantanamo32A/S exercises with the high speed transport USS Upham (APD-99).

Celli, Claudio27 Aug 19450807Guantanamo27 Aug 19451556Guantanamo38,3A/S exercises with the high speed transport USS Upham (APD-99).

Celli, Claudio19 Sep 19450815Guantanamo19 Sep 19451336Guantanamo30Trials.

Celli, Claudio24 Sep 19451300Guantanamo30 Sep 19451248Guantanamo1017Passage Guantanamo-Bermuda with submarines Atropo and Dandolo, escorted by the patrol vessel USS PC-1192. On 29th September, they met the tug USS Kiowa (ATF-72), which took Speri in tow. The submarine had a number of defects and had to be docked in Bermuda.

Celli, Claudio5 Oct 19451240Bermuda16 Oct 19450900Ponto Delgada1974Passage Bermuda-Ponto Delgada with submarines Dandolo, Onice, Atropo, Vortice, Marea and Da Procida, escorted by the salvage vessel USS Chain (ARS-20). On 8th October, Speri reported burst to high pressure lines and was assisted by Chain. On 9th October, a cracked cylinder head on cylinder liner required her to be towed by the American vessel. The towing cable broke on 10th October, a new cable had to be passed and the submarine was towed to the Azores.

Celli, Claudio21 Oct 19451150Ponto Delgada26 Oct 19450745Gibraltar1000Passage Bermuda-Ponto Delgada with the submarines Dandolo, Onice, Atropo, Vortice, Marea and Da Procida, escorted by the salvage vessel USS Chain (ARS-20).

Celli, Claudio28 Oct 19451329Gibraltar3 Nov 19451057Taranto1337Passage Gibraltar-Taranto with submarines Dandolo, Onice, Atropo, Vortice, Marea and Da Procida, escorted by the salvage vessel USS Chain (ARS-20). Met off Taranto by Italian destroyers Libra (LB), Ariete (AE) and Cassiopea (CS).

271 entries. 271 total patrol entries (9 marked as war patrols) and 4 events.

All Italian submarines