Italian submarines in World War Two

Italian Commanders

Mario Tei

Born

19 Jul 1911

Arrone (Terni)

Ranks

		T.V.	Tenente di Vascello
		C.C.	Capitano di Corvetta

Decorations

10 Oct 1940		Croce di guerra al valore militare
29 Jan 1942		Medaglia di bronzo al valore militare
29 Jan 1948		Medaglia di bronzo al valore militare
29 Jul 1949		Medaglia d'argento al valore militare

Career information

MICHELE BIANCHI (T.V. First Officer): from 15.04.1940 to April 1941+.
MICHELE BIANCHI (T.V. resp.): from 08.04.1941 to 30.04.1941 (refit at Bordeaux).
ALPINO BAGNOLINI (T.V. C.O.): from 01.11.1941 to 07.07.1942.
Promoted to C.C. in July 1942).
CORALLO (C.C. C.O.): from 11.07.1942 to 14.08.1942 (refit at Taranto, LUIGI SETTEMBRINI (C.C. C.O.): from 16.08.1942 to 27.08.1942 (refit at Taranto).
SQUALO (C.C. C.O.): from 01.09.1942 to 17.04.1943.
REGINALDO GIULIANI (C.C. C.O.): from 01.05.1943 to 09.09.1943.

Commands listed for Mario Tei

Submarine	Type	Rank	From	To
Michele Bianchi (BH, I.11)	Ocean going	T.V.	8 Apr 1941	30 Apr 1941
Alpino Attilio Bagnolini (BI, I.12, UIT.22)	Ocean going	T.V.	1 Nov 1941	7 Jul 1942
Corallo (CO)	Coastal / Sea going	C.C.	11 Jul 1942	14 Aug 1942
Luigi Settembrini (ST)	Ocean going	C.C.	16 Aug 1942	27 Aug 1942
Squalo (SQ)	Ocean going	C.C.	1 Sep 1942	17 Apr 1943
Reginaldo Giuliani (GN, I.14, UIT.23)	Ocean going	C.C.	1 May 1943	9 Sep 1943

Ships hit by Mario Tei

No ships hit by this Commander.

War patrols listed for Mario Tei

	Submarine	Date	Time	Port	Arr. date	Arr. time	Arr. port	Miles	Description
	Michele Bianchi (BH, I.11)	8 Apr 1941		Bordeaux	30 Apr 1941		Bordeaux		Refit.

	Alpino Attilio Bagnolini (BI, I.12, UIT.22)	16 Dec 1941	1520	Bordeaux	16 Dec 1941	1520+	Bordeaux		Sailed for patrol, but her port propeller got caught in a cable and the departure was delayed.

	Alpino Attilio Bagnolini (BI, I.12, UIT.22)	17 Dec 1941	0840	Bordeaux	17 Dec 1941	1212	Le Verdon	82	Passage Bordeaux-Le Verdon including trials.

	Alpino Attilio Bagnolini (BI, I.12, UIT.22)	17 Dec 1941	1400	Le Verdon	17 Dec 1941	1830	Le Verdon		Trials.

	Alpino Attilio Bagnolini (BI, I.12, UIT.22)	18 Dec 1941	0850	Le Verdon	18 Dec 1941	1720	La Pallice	74	Passage Le Verdon-La Pallice escorted by a Sperrbrecher and trials on the way at Le Pertuis d'Antioche.

	Alpino Attilio Bagnolini (BI, I.12, UIT.22)	19 Dec 1941	0840	La Pallice	19 Dec 1941	1415	La Pallice (anchorage)	18	Trials.

	Alpino Attilio Bagnolini (BI, I.12, UIT.22)	19 Dec 1941	1603	La Pallice (anchorage)	19 Dec 1941	1641	La Pallice (moored)		Moved from anchorage to Quai Carnot.

	Alpino Attilio Bagnolini (BI, I.12, UIT.22)	23 Dec 1941	0850	La Pallice	23 Dec 1941	1825	La Pallice	30	Trials.

	Alpino Attilio Bagnolini (BI, I.12, UIT.22)	29 Dec 1941	1040	La Pallice	29 Dec 1941	1800	La Pallice	15	Sailed for trials, but turned back due to the escort not showing up.

	Alpino Attilio Bagnolini (BI, I.12, UIT.22)	8 Jan 1942	0800	La Pallice	8 Jan 1942	1800	La Pallice		Trials.

1.	Alpino Attilio Bagnolini (BI, I.12, UIT.22)	14 Jan 1942	1545	La Pallice	20 Feb 1942	1422	Le Verdon	6456	Patrolled west of Azores. Uneventful.
		15 Jan 1942	0829	45° 25'N, 4° 27'W	At 0829 hours, a submarine was observed at 1,200 metres. Bagnoligni had two torpedo tubes ready to fire and her MGs manned. The submarine turned away and submerged. It was later believed it was a German U-boat of 500 tons and was probably U-373 returning to La Pallice.
		14 Feb 1942	1001	(0) Point 3.	At 1001 hours, an aircraft was seen at 12,000 metres and the submarine dived.

	Alpino Attilio Bagnolini (BI, I.12, UIT.22)	21 Feb 1942	0800	Le Verdon	21 Feb 1942	1202	Bordeaux		Passage Le Verdon-Bordeaux.

	Alpino Attilio Bagnolini (BI, I.12, UIT.22)	22 Apr 1942	1048	Bordeaux	22 Apr 1942	1905	Le Verdon		Passage Bordeaux-Le Verdon.

	Alpino Attilio Bagnolini (BI, I.12, UIT.22)	24 Apr 1942	0850	Le Verdon	24 Apr 1942	1452	Le Pertuis d'Antioche		Passage Le Verdon-La Pallice and trials at Le Pertuis d'Antioche.

	Alpino Attilio Bagnolini (BI, I.12, UIT.22)	25 Apr 1942	0700	Le Pertuis d'Antioche	25 Apr 1942	0813	La Pallice		Passage Le Pertuis d'Antioche-La Pallice.

2.	Alpino Attilio Bagnolini (BI, I.12, UIT.22)	26 Apr 1942	1500	La Pallice	28 Jun 1942	0725	Le Verdon	10333,6	Patrolled off Brazil, between Rocas Island and Pititinga Light and along the coast as far as Cape Negro and the parallel 05°45'S and the meridian 33°50'W.
		2 May 1942	2025 1935 (e)	38° 58'N, 16° 01'W	At 2025 hours, the submarine Cappellini was encountered and recognition signals were exchanged.
		3 May 1942	1050	37° 28'N, 16° 44'W	At 1050 hours, a Portuguese steamer was sighted steering 260°, 10-11 knots.
		12 May 1942	1540	14° 40'N, 28° 03'W	At 1540 hours, at a distance of 20-22 miles, a steamer was observed zigzagging at 13 knots (later corrected to 16 knots). As the vessel was closing on Bagnolini, she dived for a submerged attack. It appeared to be a large three-funneled vessel, similar to *Statendam* (29,511 GRT, a Dutch ship sunk in Rotterdam in May 1940). The submarine closed the range to 6,500 metres and was preparing to launch torpedoes, but these were set for a maximum range of 4,000 metres and Bagnolini could not close to less than 5,000 metres. The attack was aborted.
		20 May 1942	1126	4° 00'S, 34° 01'W	At 1126 hours, an aircraft was seen and the submarine dived.
		20 May 1942	1350	4° 01'S, 33° 56'W	At 1350 hours, an aircraft was seen and the submarine dived.
		21 May 1942	1115	5° 44'S, 34° 06'W	At 1115 hours, a destroyer was sighted. Shortly after, an aircraft was also observed to fly above the warship. Bagnolini dived and turned away.
		21 May 1942	2105	5° 30'S, 34° 09'W	At 2105 hours, a steamer was sighted at 10,000 metres steering 320-330°, 10 knots. Bagnolini closed on the surface, but was forced to submerge at 2203 hours, when a Catalina was sighted. The submarine surfaced at 2240 hours, but could not regain contact.
		22 May 1942	1045	3° 09'S, 35° 35'W	At 1045 hours, a steamer escorted by a destroyer was observed at a distance of 22-24 miles. Bagnolini closed to attack, but the destroyer turned toward her. She dived and lost contact.
		22 May 1942	1717	3° 09'S, 35° 35'W	At 1717 hours, an aircraft was seen and the submarine dived.
		22 May 1942	1839	2° 55'S, 35° 43'W	At 1839 hours on 27th May, a smoke was sighted on the horizon. It was a steamer steering 000°, 8 knots, heading straight for Bagnolini, so she dived for a submerged attack. Her course had been miscalculated and Bagnolini had to surface to be able to close the range and she submerged again at 2143 hours. At 2230 hours, she surfaced and closed full speed, but had lost contact at 2300 hours. At 0140 hours on 23rd May, Bagnolini dived to try to regain contact with her hydrophones but to no avail.
		23 May 1942	0230	2° 32'S, 35° 52'W	At 0230 hours, two lights were sighted. It appeared to be two vessels signaling with blue lights. Bagnolini had dived. She surfaced at 0505 hours and sighted them, this time at 800-900 meters, and dived again. Two depth-charges were heard about 400 or 500 meters away.
		28 May 1942	0029	5° 27'S, 31° 50'W	At 1934 hours on 27th May, in 06°30' S, 31°42' W, a tanker was sighted at 10,000 metres, steering 030°, 10 knots. At 0029 hours on 28th May, the range was closed to 1,800 metres and a pair of torpedoes (533mm, S.I. 270 type) was fired from the bow tubes at a distance of 1,800 metres at a 5-second interval. Depth was set at 4 metres, with a maximum range 4,000 metres at 45 knots. The tanker appeared to be of the CANDOLITE class. One of the torpedoes was observed to break surface after a run of about 500-600 metres. They both missed. Five or six minutes later, two explosions were heard. The submarine took some distance before returning for a second attack. At 0316 hours, another pair of torpedoes (533mm, S.I. 270 type) was fired from the bow tubes at 1,500-1,600 metres, at a 10-second interval. An explosion was heard after 91 seconds but nothing was seen, except that the vessel had reduced her speed but was still pulling away. Bagnolini having only stern torpedoes ready, C.C. Tei decided not to attempt another attack. The success was not confirmed.
		7 Jun 1942	2119	5° 27'N, 18° 33'W	2119 hours, a steamer was sighted at 14-15,000 metres, steering 100°, 10 knots. Bagnolini attempted to intercept it and closed to 2,000 meters. She lost contact in rain squalls. After fruitless attempts to regain contact, she gave up the chase at 0100 hours on 8th June.
		23 Jun 1942	1209	43° 17'N, 12° 55'W	At 1209 hours, an aircraft was seen and the submarine dived.

3.	Alpino Attilio Bagnolini (BI, I.12, UIT.22)	28 Jun 1942	1247	Le Verdon	28 Jun 1942	1709	Bacalan		Passage Le Verdon-Bacalan.

4.	Alpino Attilio Bagnolini (BI, I.12, UIT.22)	28 Jun 1942	1812	Bacalan	28 Jun 1942	1900	Bordeaux		Passage Bacalan-Bordeaux.

	Corallo (CO)	11 Jul 1942		Naples	14 Aug 1942		Naples		At Naples. Change in command.

	Luigi Settembrini (ST)	16 Aug 1942		Taranto	27 Aug 1942		Taranto		Refit at Taranto. Change in command.

	Squalo (SQ)	8 Sep 1942	0800	Pola	8 Sep 1942	1225	Pola	23	Exercises.

	Squalo (SQ)	10 Sep 1942	1400	Pola	10 Sep 1942	2130	Pola	30	Exercises.

	Squalo (SQ)	11 Sep 1942	0730	Pola	11 Sep 1942	1220	Pola	5	Exercises.

	Squalo (SQ)	12 Sep 1942	1400	Pola	12 Sep 1942	2130	Pola	22	Exercises.

	Squalo (SQ)	15 Sep 1942	0800	Pola	16 Sep 1942	0022	Pola	51	Exercises.

	Squalo (SQ)	16 Sep 1942	1804	Pola	16 Sep 1942	2255	Pola	30	Exercises.

	Squalo (SQ)	24 Sep 1942	0800	Pola	24 Sep 1942	2215	Pola	64	Exercises.

	Squalo (SQ)	26 Sep 1942	0635	Pola	26 Sep 1942	1230	Pola	34	Exercises.

	Squalo (SQ)	2 Oct 1942	0800	Pola	2 Oct 1942	2330	Pola	85	Exercises.

	Squalo (SQ)	3 Oct 1942	0730	Pola	3 Oct 1942	2345	Pola	60	Exercises with torpedo boats Uragano and T.3 and the tug Parenzo towing a target.

	Squalo (SQ)	5 Oct 1942	0500	Pola	5 Oct 1942	1030	Fiume	58	Passage Pola-Fiume.

	Squalo (SQ)	6 Oct 1942	1025	Fiume	7 Oct 1942	0015	Fiume	11	Exercises.

	Squalo (SQ)	8 Oct 1942	0745	Fiume	8 Oct 1942	1255	Fiume	30	Exercises.

	Squalo (SQ)	9 Oct 1942	1005	Fiume	9 Oct 1942	2310	Fiume	79	Exercises.

	Squalo (SQ)	12 Oct 1942	0615	Fiume	12 Oct 1942	1117	Pola	58	Passage Fiume-Pola.

	Squalo (SQ)	13 Oct 1942	0818	Pola	13 Oct 1942	1900	Pola	31	Exercises.

	Squalo (SQ)	14 Oct 1942	1508	Pola	15 Oct 1942	1115	Pola	2	Trials.

	Squalo (SQ)	19 Oct 1942	1340	Pola	19 Oct 1942	1825	Pola	34	Exercises.

	Squalo (SQ)	21 Oct 1942	1425	Pola	21 Oct 1942	2230	Pola	47	Exercises.

	Squalo (SQ)	22 Oct 1942	0810	Pola	22 Oct 1942	0930	Pola	3	Exercises.

	Squalo (SQ)	23 Oct 1942	1502	Pola	23 Oct 1942	2240	Pola	48	Exercises.

	Squalo (SQ)	24 Oct 1942	0835	Pola	24 Oct 1942	1310	Pola	40	Exercises.

	Squalo (SQ)	27 Oct 1942	1330	Pola	27 Oct 1942	1833	Pola	40	Exercises.

	Squalo (SQ)	3 Nov 1942	0805	Pola	3 Nov 1942	1615	Pola	26	Exercises.

	Squalo (SQ)	5 Nov 1942	0825	Pola	5 Nov 1942	1706	Pola	20	Exercises.

	Squalo (SQ)	7 Nov 1942	0702	Pola	7 Nov 1942	2023	Pola	40	Exercises.

	Squalo (SQ)	10 Nov 1942	0700	Pola	10 Nov 1942	2037	Pola	32	Exercises.

	Squalo (SQ)	12 Nov 1942	0830	Pola	12 Nov 1942	1150	Pola	19	Exercises.

	Squalo (SQ)	13 Nov 1942	0800	Pola	13 Nov 1942	1855	Pola	20	Exercises.

5.	Squalo (SQ)	14 Nov 1942	1415	Pola	15 Nov 1942	1015	Pola	100	Defensive night patrol in northern Adriatic with the submarine Bandiera. Uneventful.

	Squalo (SQ)	16 Nov 1942	0705	Pola	16 Nov 1942	1835	Pola	30	Exercises.

	Squalo (SQ)	18 Nov 1942	0700	Pola	18 Nov 1942	2027	Pola	30	Exercises.

	Squalo (SQ)	23 Nov 1942	0800	Pola	23 Nov 1942	1900	Pola	17	Exercises.

	Squalo (SQ)	24 Nov 1942	0700	Pola	24 Nov 1942	1230	Pola	12	Exercises.

	Squalo (SQ)	27 Nov 1942	1028	Pola	27 Nov 1942	1700	Pola	15	Exercises.

	Squalo (SQ)	1 Dec 1942	0700	Pola	1 Dec 1942	1800	Pola	38	Exercises.

	Squalo (SQ)	7 Dec 1942	0718	Pola	7 Dec 1942	1800	Pola	34,8	Trials.

	Squalo (SQ)	9 Dec 1942	0715	Pola	9 Dec 1942	1800	Pola	35	Trials.

	Squalo (SQ)	12 Dec 1942	0739	Pola	12 Dec 1942	1735	Pola	30	Trials.

	Squalo (SQ)	13 Dec 1942	0930	Pola	13 Dec 1942	1020	Pola	3	Exercises.

	Squalo (SQ)	15 Dec 1942	0803	Pola	15 Dec 1942	1205	Pola	30	Trials.

	Squalo (SQ)	16 Dec 1942	1030	Pola	16 Dec 1942	1622	Pola	26	Trials.

	Squalo (SQ)	30 Dec 1942	1030	Pola	30 Dec 1942	1130	Pola	3	Changed anchorage.

	Squalo (SQ)	14 Jan 1943	0755	Pola	14 Jan 1943	1540	Pola	20	Trials.

	Squalo (SQ)	22 Jan 1943	0500	Pola	22 Jan 1943	1055	Fiume	62	Passage Pola-Fiume.

	Squalo (SQ)	22 Jan 1943	0500	Pola	22 Jan 1943	1055	Sussa (Fiume)	62	Passage Pola-Sussa (Fiume).

	Squalo (SQ)	23 Jan 1943	1030	Pola	23 Jan 1943	1540	Pola	20	Exercises.

	Squalo (SQ)	25 Jan 1943	1143	Pola	25 Jan 1943	2245	Pola	60	Exercises.

	Squalo (SQ)	26 Jan 1943	1045	Pola	26 Jan 1943	2120	Pola	58	Exercises.

	Squalo (SQ)	28 Jan 1943	1044	Pola	28 Jan 1943	2335	Pola	68	Exercises.

	Squalo (SQ)	29 Jan 1943	1041	Pola	29 Jan 1943	2120	Pola	49	Exercises.

	Squalo (SQ)	2 Feb 1943	1100	Fiume	2 Feb 1943	1543	Fiume	20	Exercises.

	Squalo (SQ)	3 Feb 1943	1010	Fiume	3 Feb 1943	2123	Fiume	45	Exercises.

	Squalo (SQ)	4 Feb 1943	1030	Fiume	4 Feb 1943	2120	Fiume	52	Exercises.

	Squalo (SQ)	6 Feb 1943	1035	Fiume	6 Feb 1943	2235	Fiume	68	Exercises.

	Squalo (SQ)	8 Feb 1943	1000	Fiume	8 Feb 1943	2140	Fiume	40	Exercises.

	Squalo (SQ)	10 Feb 1943	1015	Fiume	10 Feb 1943	2130	Fiume	42	Exercises.

	Squalo (SQ)	11 Feb 1943	1050	Fiume	11 Feb 1943	2230	Fiume	82	Exercises.

	Squalo (SQ)	13 Feb 1943	1000	Fiume	13 Feb 1943	2205	Fiume	57	Exercises.

	Squalo (SQ)	15 Feb 1943	1103	Fiume	15 Feb 1943	1215	Fiume	12	Exercises.

	Squalo (SQ)	16 Feb 1943	1030	Fiume	16 Feb 1943	1610	Fiume	26	Exercises.

	Squalo (SQ)	18 Feb 1943	1031	Fiume	18 Feb 1943	1710	Fiume	22	Exercises.

	Squalo (SQ)	19 Feb 1943	1005	Fiume	19 Feb 1943	2218	Fiume	46	Exercises.

	Squalo (SQ)	20 Feb 1943	1210	Fiume	20 Feb 1943	2118	Fiume	30	Exercises.

	Squalo (SQ)	22 Feb 1943	0846	Fiume	22 Feb 1943	1332	Fiume	9	Exercises.

	Squalo (SQ)	22 Feb 1943	1720	Fiume	22 Feb 1943	2315	Fiume	27	Exercises.

	Squalo (SQ)	23 Feb 1943	0930	Fiume	23 Feb 1943	1835	Fiume	16	Exercises.

	Squalo (SQ)	25 Feb 1943	0930	Fiume	25 Feb 1943	2216	Fiume	42	Exercises.

	Squalo (SQ)	26 Feb 1943	1012	Fiume	26 Feb 1943	2300	Fiume	43	Exercises.

	Squalo (SQ)	27 Feb 1943	1230	Fiume	27 Feb 1943	1800	Fiume	13	Exercises.

	Squalo (SQ)	1 Mar 1943	0945	Fiume	1 Mar 1943	2315	Fiume	16	Exercises.

	Squalo (SQ)	4 Mar 1943	1030	Fiume	4 Mar 1943	2145	Fiume	38	Exercises.

	Squalo (SQ)	6 Mar 1943	1000	Fiume	6 Mar 1943	2225	Fiume	51	Exercises.

	Squalo (SQ)	8 Mar 1943	1240	Fiume	8 Mar 1943	1830	Fiume	21	Exercises.

	Squalo (SQ)	10 Mar 1943	1125	Fiume	10 Mar 1943	2325	Fiume	58	Exercises.

	Squalo (SQ)	12 Mar 1943	0910	Fiume	12 Mar 1943	2320	Fiume	72	Exercises.

	Squalo (SQ)	14 Mar 1943	2333	Fiume	15 Mar 1943	0528	Pola	61	Passage Fiume-Pola, escorted by torpedo boat T.3.

	Squalo (SQ)	14 Mar 1943	2339	Fiume	15 Mar 1943	0523	Pola	61	Passage Fiume-Pola.

	Squalo (SQ)	19 Mar 1943	0820	Pola	19 Mar 1943	1224	Pola	13	Exercises.

	Squalo (SQ)	20 Mar 1943	0750	Pola	20 Mar 1943	1230	Pola	11	Exercises.

	Squalo (SQ)	20 Mar 1943	1520	Pola	20 Mar 1943	2115	Pola	12	Exercises.

	Squalo (SQ)	23 Mar 1943	0000	Pola	23 Mar 1943	0720	Fiume	65	Passage Pola-Fiume escorted by the torpedo boat T.3. Then refit.

	Reginaldo Giuliani (GN, I.14, UIT.23)	11 May 1943	1100	Bordeaux	11 May 1943	1600	Le Verdon		Passage Bordeaux-Le Verdon with submarine Tazzoli (date and time from C.C. Tei's memory).

	Reginaldo Giuliani (GN, I.14, UIT.23)	12 May 1943	1400	Le Verdon	12 May 1943	2000	Le Verdon		Sailed for La Pallice with Tazzoli, but had to turn back because of defects (date and time from C.C. Tei's memory).

	Reginaldo Giuliani (GN, I.14, UIT.23)	13 May 1943	1400	Le Verdon	14 May 1943	0000	La Pallice		Passage Le Verdon-La Pallice again with Tazzoli (date and time from C.C. Tei's memory).

6.	Reginaldo Giuliani (GN, I.14, UIT.23)	16 May 1943	0900	La Pallice	20 May 1943	1850	La Pallice		Sailed for patrol with Tazzoli, but turned back because of defects (date and time from C.C. Tei's memory who reported her returning to La Pallice at 2100 hours on the 18th).

7.	Reginaldo Giuliani (GN, I.14, UIT.23)	23 May 1943	0800	Bordeaux	28 Jul 1943	1245	Sabang		Supply trip from Bordeaux to Singapore (130 tons). Two German passengers: Engine Expert Schmidt and Civil Engineer Lange. Reconstructed patrol report from C.C. Tei memory and various notes. On 10th July 1943, a document from BETASOM mentioned that she was believed lost, as she had made no signal since reporting on 17th June to be in 10°00'S, 06°00'W.
		3 Jun 1943	1150 1030 (e)	(0) 120 miles SW of Madeira (Giuliani).	At 1150 hours, Giuliani was surprised by a four-engine bomber, which emerged from a fog bank only 800 metres away. It strafed the submarine who replied with her machine guns. C.C. Tei took an opportune time to take his submarine into the fog bank and submerged. Two depth charges were heard but caused no damage. The aircraft was Liberator 'F' of 1st A/S Squadron (USAAF) operating from Fort Lyautey. It had discovered the submarine by radar as it was steering 253° at 12 knots. Of six intended depth charges, only one was released on the first run from a height of 75 feet. On the second run, all depth charges hung up but the submarine was strafed. During the third and last run, two depth charges were dropped, but another two hung up. There was no evidence of damage. MARICOSOM was informed of the attack by intercepting an enemy signal reporting that it had occurred at 1130 hours in 30°00' N, 21°10' E (later corrected to W). They estimated Giuliani's position at 0900 hours as 30°00' N, 22°30' W.
		17 Jun 1943	0800-1200	9° 30'S, 6° 30'W	From 0800 to 1200 hours, Giuliani cruised in the area where she was to meet Tazzoli. The latter failed to show up and Giuliani resumed her original course.
		21 Jul 1943	1130		At 1130 hours, a steamer was sighted steering toward Ceylon at a distance of 15,000 metres. The same day, Giuliani managed to contact the sloop Eritrea after 35 days of attempts.

8.	Reginaldo Giuliani (GN, I.14, UIT.23)	29 Jul 1943	1900	Sabang	1 Aug 1943	1200	Singapore		Passage from Sabang to Singapore escorted by sloop Eritrea (date and time from C.C. Tei's memory).

	Reginaldo Giuliani (GN, I.14, UIT.23)	5 Sep 1943		Singapore	5 Sep 1943		Singapore		Embarked 100 tons of rubber and 99 tons of other materials and sailed out for trials.

	Reginaldo Giuliani (GN, I.14, UIT.23)	9 Sep 1943		Singapore	9 Sep 1943		Singapore		Seized by the Japanese and later transferred to German Navy as UIT-23. The KTB of BdU of 27th January 1944, has the following entry: "No suitable Commander available in Penang for UIT-23. Boat remains in Penang until the arrival of a boat from home that can transfer an officer onto UIT-23 as Commander".

126 entries. 110 total patrol entries (8 marked as war patrols) and 19 events.

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Italian submarines

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Italian submarines in World War Two

Italian Commanders

Mario Tei

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Career information

Commands listed for Mario Tei

Ships hit by Mario Tei

War patrols listed for Mario Tei

Italian Commanders

Italian Submarines