Italian submarines in World War Two

Italian Commanders

Lodovico Grion

Born  18 Feb 1909Trieste
Died   1998(88)Trieste


  T.V.Tenente di Vascello


9 Feb 1942 Medaglia di bronzo al valore militare
12 Apr 1946 Medaglia di bronzo al valore militare
12 Apr 1946 Medaglia di bronzo al valore militare
12 Apr 1946 Medaglia d'argento al valore militare

Career information

SQUALO (T.V. First Officer): from 18.01.1939 to ?
FILIPPO CORRIDONI (T.V. C.O.): from 04.02.1941 to 23.04.1941.
SQUALO (T.V. C.O.): from 01.01.1941 to 21.02.1942.
PORFIDO (T.V. C.O.): from 28.02.1942 to 18.05.1942.
MARCANTONIO BRAGADINO (T.V. C.O.): from 25.05.1942 to 20.06.1942.
NARVALO (T.V. C.O.): from 21.06.1942 to 14.01.1943 (sunk, Grion survived as PoW).

Commands listed for Lodovico Grion

Submarine Type Rank From To
Filippo Corridoni (CR)MinelayingT.V.4 Feb 194123 Apr 1941
Squalo (SQ)Ocean goingT.V.1 Jan 194121 Feb 1942
Porfido (PO)Coastal / Sea goingT.V.28 Feb 194218 May 1942
Marcantonio Bragadino (BG)MinelayingT.V.25 May 194220 Jun 1942
Narvalo (NR)Ocean goingT.V.21 Jun 194214 Jan 1943

Ships hit by Lodovico Grion

No ships hit by this Commander.

War patrols listed for Lodovico Grion

 SubmarineDateTimePortArr. dateArr. timeArr. portMilesDescription
Filippo Corridoni (CR)6 Feb 19411025Taranto6 Feb 19411445Taranto2,5Exercises.

Filippo Corridoni (CR)7 Feb 19410805Taranto7 Feb 19411310Taranto25Trials, escorted by the minesweeper R.D.13.

Filippo Corridoni (CR)12 Feb 19410815Taranto12 Feb 19411545Taranto59Exercises.

1.Filippo Corridoni (CR)12 Feb 19412114Taranto13 Feb 19411015Taranto88,5Hydrophone Watch. Uneventful.

Filippo Corridoni (CR)21 Feb 19410835Taranto21 Feb 19411440Taranto18Exercises for cinematography.

Filippo Corridoni (CR)22 Feb 19410920Taranto22 Feb 19411625Taranto9,5Exercises for cinematography.

Filippo Corridoni (CR)24 Feb 19411315Taranto24 Feb 19411625Taranto21,3Exercises for cinematography, escorted by the minesweeper R.D.30.

Filippo Corridoni (CR)26 Feb 19412135Taranto26 Feb 19412355Taranto4Exercises for cinematography.

2.Filippo Corridoni (CR)7 Mar 19412015Taranto8 Mar 19411040Taranto99Hydrophone Watch.

Squalo (SQ)9 Mar 19410907Taranto9 Mar 19411620Taranto28Exercises.

Squalo (SQ)14 Mar 19410849Taranto14 Mar 19411525Taranto38Exercises.

Squalo (SQ)15 Mar 19410800Taranto15 Mar 19411715Taranto31,5Exercises.

Filippo Corridoni (CR)18 Mar 19410635Taranto18 Mar 19411659Taranto63,5Exercises, escorted by the tug Palmaria.

Filippo Corridoni (CR)19 Mar 19410648Taranto19 Mar 19411646Taranto45,5Exercises, escorted by the torpedo boat San Martino.

Squalo (SQ)25 Mar 19411255Taranto25 Mar 19411840Taranto41Exercises.

Squalo (SQ)26 Mar 19411200Taranto26 Mar 19411824Taranto62Exercises.

Squalo (SQ)3 Apr 19411220Taranto3 Apr 19411648Taranto33Exercises.

Squalo (SQ)4 Apr 19411030Taranto4 Apr 19411748Taranto52Exercises with the steamer Sandrina.

Squalo (SQ)5 Apr 19411030Taranto5 Apr 19411625Taranto43Exercises with the pilot vessel Limbara.

Squalo (SQ)8 Apr 19410830Taranto8 Apr 19411700Taranto65Exercises, escorted by the pilot vessel Limbara.

Squalo (SQ)10 Apr 19410820Taranto10 Apr 19411627Taranto44Exercises, escorted by the auxiliary Sandrina.

3.Squalo (SQ)13 Apr 19412152Taranto14 Apr 19411004Taranto79,5Hydrophone watch in Gulf of Taranto. Uneventful.

Squalo (SQ)16 Apr 19410800Taranto16 Apr 19410940Taranto12Trials.

4.Squalo (SQ)21 Apr 19411045Taranto8 May 19411318Leros1535Patrolled in south of Crete, within 20 miles from 34°20'N, 25°00'E on a NE-SW axis. On 30th April, she was ordered to shift her position 120 miles eastward. This was Grion's first patrol in command. He had already made four other patrols but without encountering the enemy. He was criticized for failing to attack the convoy on 2nd May, but was shown some indulgence due to his inexperience.
  25 Apr 1941134534° 20'N, 23° 45'EA steamer was sighted, followed by two surfaced submarines steering 090°.These were recognized as French. There were actually three submarines: Dauphin, Espadon and Phoque, escorted by an auxiliary sailing on westerly course from Beirut to Bizerta to be disarmed.
  30 Apr 1941015334° 01'N, 24° 45'ETwo destroyers were sighted at 1,000 metres proceeding toward the submarine. The submarine dived but was not attacked.
  1 May 1941105534° 18'N, 26° 36'EThe submarine heard H.E. and later explosions in the distance and remained submerged.
  2 May 19410120-035534° 18'N, 26° 36'E
(0) Approximately.
The submarine heard H.E. of two vessels apparently steering 140° and remained submerged. No attempt was made to carry an attack.

5.Squalo (SQ)19 May 19411315Leros2 Jun 19411600Messina1467Patrolled between Kaso Straits and Alexandria, in 34°00'N, 27°40'E on a NE-SW axis. Then off Koupho Island (south of Crete). Uneventful. Only heard H.E.

Squalo (SQ)21 Jun 19410800Messina21 Jun 19410558?Messina4Trials.

Squalo (SQ)23 Jun 19410800Messina23 Jun 19411338Messina30Trials escorted by MAS 524 and the auxiliary Castiglia.

Squalo (SQ)24 Jun 19411358Messina25 Jun 19410740Trapani190Passage Messina-Trapani.

Squalo (SQ)3 Jul 19410758Trapani3 Jul 19411151Trapani18,2Exercises.

Squalo (SQ)7 Jul 19410800Trapani7 Jul 19411145Trapani24,5Exercises.

Squalo (SQ)10 Jul 19410808Trapani10 Jul 19411214Trapani19Exercises.

Squalo (SQ)17 Jul 19412000Trapani18 Jul 19411408Messina190Passage Trapani-Messina.

6.Squalo (SQ)19 Jul 19412100Messina3 Aug 19411448Messina1950Patrolled off Ras Azzaz through Point S (37°40'N, 18°20'E) to area between 32°00'N and 32°40'N, and between 24°40'E and 25°00'E.
  24 Jul 1941230632° 20'N, 24° 53'EA 10,000-ton steamer was sighted steering 260°, 10 knots. Later, it was established to be a tanker of the WAR class (11,600 GRT). Range was closed to 1,000 metres and two bow torpedoes were fired at an interval of 6 seconds and angled 15°. A column of smoke was observed, but no explosion heard and Grion concluded that the attack had missed.
  27 Jul 19411824
(0) Off Marsa El Aora (near Ras El Azzaz).
A column of water was sighted at 2,000 metres. Since no aircraft or vessel was in sight, Grion assumed that a coastal battery had opened fire. He took his submarine down and moved northward, finally surfacing at 1945 hours and resumed his patrol.
  30 Jul 19412034
1941 (e)
32° 19'N, 24° 55'E
(e) 32° 20'N, 24° 59'E
A submarine chaser was sighted at 3,000 meters followed by another. These were actually the destroyers HMS Hotspur and HMAS Vendetta. The submarine tried to attack the nearest one, but was sighted and had to crash dive, The first depth-charge exploding with Squalo at a depth of 30 meters and ten more patterns until 2221 hours. HMS Hotspur had actually dropped three and HMAS Vendetta another six. Grion estimated that they had detonated at distances between 100 and 200 metres at variable depths.

Squalo (SQ)22 Aug 19410830Messina22 Aug 19411635Messina1950Exercises.

Squalo (SQ)22 Aug 19412325Messina23 Aug 19411725Trapani185Passage Messina-Trapani.

7.Squalo (SQ)23 Aug 19412055Trapani5 Sep 19410808Trapani1850Patrolled east of Cape Bon, between 37°12'N and Cape Bon, and between 11°00'E and 11°05'E.
  27 Aug 19410422
(0) 23° - Cape Bon (Tunisia) - 3 miles.
A fast 10,000-ton steamer was sighted on 300° course. This was Deucalion on passage from Malta to Gibraltar. The submarine attempted in vain to intercept but the vessel disappeared in the distance.
  27 Aug 19411337
(0) 163° - Cape Bon (Tunisia) - 5 miles.
A Sunderland aircraft apparently attacked the submarine. The submarine submerged and heard explosions, the first ones were near but were followed by others at a distance. Between 1510 and 1540 hours, more explosions were heard attributed to an aircraft.

Squalo (SQ)20 Sep 19410730Trapani20 Sep 19411056Trapani14,5Exercises with submarine Delfino escorted by auxiliary Petsamo.

8.Squalo (SQ)25 Sep 19411824Trapani2 Oct 19410922Trapani976Patrolled southwest of Sardinia between 38°10'N and 38°30'N, and between 07°20'E and 07°40'E, on a patrol line with Bandiera. On 28th September, ordered to 37°20'N, 07°30'E.
  28 Sep 1941033037° 51'N, 7° 30'EA submarine was seen at 3,000 metres and believed to be Bandiera therefore no action was taken.
  29 Sep 19410720-1310
0810 (e)

(e) 37° 26'N, 7° 14'E
Three destroyers hunted the submarine. It was probably HMS Gurkha actually hunting Bandiera.
  30 Sep 19410100An unknown submarine course 270° was seen at 1,000 metres and was believed to be Italian. This was probably Bandiera.

9.Squalo (SQ)17 Oct 19412240Trapani20 Oct 19411715Trapani351Patrolled in zone K1, off Cape Bon, on a patrol line with Narvalo. Uneventful.

10.Squalo (SQ)11 Nov 19411400Trapani16 Nov 19410736Trapani535Patrolled west of Marettimo, between 37°50'N and 38°10'N, 11°10'E and 11°35'E. Uneventful.

11.Squalo (SQ)16 Nov 19411838Trapani20 Nov 19410815Trapani445Patrolled west of Malta, between 36°20'N and 36°40'N, 13°20'E and 13°40'E. Uneventful. Heard only H.E.

12.Squalo (SQ)20 Nov 19411630Trapani24 Nov 19411545Trapani600Patrolled southeast of Cape Passero, between 36°20'N and 36°40'N, 15°20'E and 15°40'E. Uneventful. Heard only H.E. Returned via Cape Passero at 2100/23.

13.Squalo (SQ)9 Dec 19410215Trapani22 Dec 19411800Trapani1617Patrolled southwest of Malta between 34°20'N and 35°00'N, and between 14°00'E and 14°40'E.
  18 Dec 1941075034° 43'N, 14° 28'ESqualo heard hydrophone effects apparently from vessels on A/S hunt. Later a dark shape, believed to be a destroyer, was sighted with the periscope. Distant explosions were heard, but the submarine was not attacked.
  19 Dec 1941084235° 10'N, 14° 00'EA light cruiser of the PERTH class and two destroyers were observed from a distance of 10,000 metres, proceeding steering 090° toward Malta at 14 knots. Squalo was too far to intercept them.
  19 Dec 1941091535° 10'N, 14° 00'EA cruiser and a destroyer, following the first group, were observed at a distance of 6,000 metres, course 080°. Again, Squalo was too far to attack.
  19 Dec 1941182035° 20'N, 14° 15'EAs the submarine was surfacing, three destroyers were observed sailing eastward. Squalo dived, stopped her engines and was not detected.

14.Squalo (SQ)15 Jan 19422200Trapani25 Jan 19422200Trapani1268Patrolled south and southwest of Malta, within 8 miles from 35°30'N, 13°20'E on a patrol line with the submarines Narvalo and Santarosa. At 2000 hours on the 17th, she received order to shift patrol 8 miles to the east (35°30'N, 13°32'E). On 18th January, her patrol was moved to Grid 0132 (35°20'N, 15°30'E?). On 21st January, her patrol area was shifted 45 miles eastward to Grid 7061.
  16 Jan 1942170535° 40'N, 13° 05'EThe submarine sighted a red Very light. This turned out to be two German pilots (Willy Junger and Albert Werner) in a raft. Their Me 110 of ZG.26 based at Trapani had been shot down. The two men were rescued.
  18 Jan 19422100The submarines were ordered by signal (1954/18) to form a patrol line to intercept the convoy from Alexandria reported in the afternoon: Santarosa in Italian Grid 0132 (34°30' N, 15°30' E), Squalo in Grid 8332 (probably 35°20' N, 15°30' E) and Narvalo in Grid 2732 (probably 35°02' N, 15°30' E). Squalo proceeded to the new position, but sighted nothing.

Squalo (SQ)29 Jan 19421600Trapani31 Jan 19421640Taranto501Passage Trapani-Taranto. Uneventful.

Squalo (SQ)4 Feb 19420830Taranto6 Feb 19421430Pola545Passage Taranto-Pola. Uneventful.

Porfido (PO)8 Apr 19420923Monfalcone8 Apr 19421244Monfalcone20Exercises.

Porfido (PO)11 Apr 19420906Monfalcone11 Apr 19421558Monfalcone8Exercises.

Porfido (PO)21 Apr 19420822Monfalcone21 Apr 19421530Pola70Passage Monfalcone-Pola.

Porfido (PO)22 Apr 19421401Monfalcone22 Apr 19421715Pola2Changed anchorage to refuel.

Porfido (PO)25 Apr 19421110Pola25 Apr 19421610Pola8Exercises.

15.Porfido (PO)29 Apr 19420822Pola29 Apr 19421505Pola17Hydrophone watch.

Porfido (PO)2 May 19420825Pola2 May 19421352Monfalcone71Passage Pola-Monfalcone.

Marcantonio Bragadino (BG)26 May 19420800Brindisi26 May 19421145Brindisi23Exercises.

Marcantonio Bragadino (BG)20 Jun 19420800Brindisi20 Jun 19421134Brindisi13Exercises.

Narvalo (NR)21 Jun 19420905Naples21 Jun 19421535Naples26Gyrocompass tests.

Narvalo (NR)22 Jun 19420800Naples22 Jun 19421730Naples15Gyrocompass tests and exercises.

Narvalo (NR)23 Jun 19420800Naples23 Jun 19421420Naples18,5Exercises.

Narvalo (NR)25 Jun 19420830Naples25 Jun 19420902Naples1,5Exercises.

Narvalo (NR)27 Jun 19421205Naples30 Jun 19421830Taranto562,7Passage Naples-Taranto escorted by the torpedo boat Dezza.

Narvalo (NR)3 Jul 19420800Taranto3 Jul 19421022Taranto5,7Trials.

16.Narvalo (NR)7 Jul 19421126Taranto10 Jul 19422040Derna (harbour entrance)Supply mission to Derna with 23 tons of petrol and 46 tons of ammunition but then diverted to Ras Hilal, and Tobruk. Uneventful.

17.Narvalo (NR)11 Jul 19420615Derna11 Jul 19422135Ras HilalPassage Derna-Ras Hilal. Uneventful.

18.Narvalo (NR)12 Jul 19422200Ras Hilal13 Jul 19420845TobrukPassage Ras Hilal-Tobruk. Uneventful. Diverted from Mersa Matruh due to the blowing up of the German steamer Brook.

19.Narvalo (NR)13 Jul 19421800Tobruk17 Jul 19421425Taranto1419,5Return trip from supply mission to Derna, Ras Hilal, and Tobruk. Uneventful [mileage is for round trip].
  16 Jul 19422010The submarine Galatea was seen at a distance of 10,000 metres.

20.Narvalo (NR)27 Jul 19421055Taranto30 Jul 19420745TobrukSupply mission to Tobruk with 61.9 tons of stores (31.1 tons of ammunition, 20.5 tons of foodstuff, 9.9 tons of various stores).
  28 Jul 19420945Part of a paravane of British manufacture was seen and sunk by machine gun fire.

21.Narvalo (NR)30 Jul 19421800Tobruk2 Aug 19421155Taranto1343Return trip from supply mission to Tobruk [mileage is for round trip].
  31 Jul 19421345A German bomber was observed and recognition signals exchanged.
  31 Jul 19421550A German bomber was observed and recognition signals exchanged.

22.Narvalo (NR)10 Aug 19421125Taranto13 Aug 19420715TobrukSupply mission to Tobruk with 70.1 or 71.4 tons of ammunition.
  11 Aug 19420920A German bomber was observed and recognition signals exchanged.
  11 Aug 19420950A derelict mine was sunk by machine gun fire.

23.Narvalo (NR)13 Aug 19421615Tobruk17 Aug 19421120Taranto1327Return trip from supply mission to Tobruk [mileage is for round trip].
  15 Aug 19421232A German aircraft was observed and recognition signals exchanged.

24.Narvalo (NR)26 Aug 19421136Taranto29 Aug 19420650BenghaziSupply mission to Benghazi with 60.5 tons of Italian ammunition. Uneventful.

25.Narvalo (NR)29 Aug 19421040Benghazi31 Aug 19421323Taranto1004,6Return trip from supply mission to Benghazi. Uneventful [mileage is for round trip].

26.Narvalo (NR)18 Sep 19421125Taranto21 Sep 19420702TobrukSupply mission to Tobruk with 58 tons of stores (55 tons of ammunition, 3 tons of assorted stores). Uneventful.

27.Narvalo (NR)21 Sep 19421455Tobruk24 Sep 19421807Taranto1495Return trip from supply mission to Tobruk [mileage is for round trip].
  24 Sep 19420630+39° 36'N, 18° 15'EA derelict Italian mine was sunk by machine gun fire.

28.Narvalo (NR)6 Oct 19421112Taranto9 Oct 19421007BenghaziSupply mission to Benghazi with 74.1 tons of stores (72.6 tons of German ammunition, 1.5 ton of foodstuff). Uneventful.

29.Narvalo (NR)9 Oct 19421606Benghazi12 Oct 19421222Taranto1155Return trip after supply mission [mileage is for round trip].
  10 Oct 1942
1130 (e)

(e) 34° 52'N, 19° 15'E
The submarine was attacked by HMS Clyde (Lt. R.S. Brookes, RN) which fired two torpedoes at extreme range and claimed her sunk. The torpedoes missed and Narvalo did not notice the attack.
  12 Oct 1942004539° 15'N, 18° 20'EAn enemy submarine was seen at a distance of 3,000 metres, possibly HMS P 211 on her way back to Malta. Narvalo could not get into an attacking position and the opportunity was missed.

Narvalo (NR)24 Nov 19420602Taranto24 Nov 19421845Taranto118Trials.

30.Narvalo (NR)26 Nov 19421105Taranto29 Nov 19421201TripoliSupply mission to Tripoli with 62.3 tons of stores (38.2 tons of German ammunition, 22.9 tons of petrol, 1.2 ton of lubricating oil). Uneventful.
  29 Nov 19421220-1235
(0) Tripoli harbour.
The harbour of Tripoli came under air attack and Narvalo was showered with bomb fragments.

31.Narvalo (NR)29 Nov 19422000Tripoli2 Dec 19421415Taranto1281,5Return trip from supply mission to Tripoli [mileage is for round trip].
  29 Nov 19421220-1235
(0) Tripoli harbour.
The harbour of Tripoli came under air attack and Narvalo was showered with bomb fragments.
  30 Nov 1942141334° 24'N, 16° 05'EA floating mine of the British type was observed and sunk by machine gun fire.

Narvalo (NR)9 Dec 19420937Taranto9 Dec 19421010Taranto0,5Entered dock.

32.Narvalo (NR)9 Jan 19431200Taranto13 Jan 1943TripoliSupply mission (54.2 tons of stores: 30.662 tons of Italian ammunition and 23.666 tons of Italian petrol) to Tripoli via (1) 40°10'N, 17°05'E (2) 38°51'N, 18°12'E (3) 33°20'N, 15°40'E at 2100/12 (4) 32°55'N, 14°05'E at 0600 hours on the 13th, surface passage at 10 knots.

33.Narvalo (NR)13 Jan 19432000Tripoli14 Jan 19431430SunkReturn trip from supply mission to Tripoli with six Italian Miltary personnel and eleven allied PoWs. Passage through (1) Point B (2) 33°28'N, 13°40'E (3) 34°40'N, 17°30'E (4) Point P (Cape Colonne). Sunk near Malta by the destroyer HMS Pakenham and escort destroyer HMS Hursley in 34°08'N, 16°34'E after being attacked by Beaufort bombers from Malta in 136° - Malta - 137 miles (escorting convoy ME.15). Thirty-seven killed including one British and three American PoWs, twenty-nine survivors were picked up.
  14 Jan 19431430
1330.5 (e)
34° 08'N, 16° 04'ENarvalo was sighted by Beaufort 'Q' of 39 Squadron piloted by Flying Officer J.N. Cartwright who was flying a convoy escort mission and attacked at 1330 hours in position 34°08' N, 16°04' E. A stick of four depth charges were dropped and exploded across the bows. The front of the sub was lifted by explosions and it settled stationary with a list to starboard. A white flag was seen, but on passing over ton a second run the Beaufort was fired upon. The destroyer HMS Pakenham and the escort destroyer HMS Hursley of the convoy escort were directed to the scene. Narvalo, which had both engines damaged by the aircraft attack, was powerless and had to be scuttled under gunfire from the two escorts. Of her crew, twenty-nine survivors, including Grion, three Italian Army passengers and seven of the POWs were rescued. Thirty-five were missing: twenty-eight crew members, three Italian Army officers, a British and three American PoWs.

97 entries. 81 total patrol entries (33 marked as war patrols) and 32 events.

Italian Commanders

Italian Submarines