Allied Warships

Sea Dog (SS-401)

Submarine of the Balao class

USS Sea Dog after World War Two

Navy	The US Navy
Type	Submarine
Class	Balao
Pennant	401
Built by	Portsmouth Navy Yard (Kittery, Maine, U.S.A.)
Ordered	8 Jun 1942
Laid down	1 Nov 1943
Launched	28 Mar 1944
Commissioned	3 Jun 1944
End service	2 Dec 1968
History	Decommissioned 27 June 1946. Laid up in the Atlantic Reserve Fleet. Served as a Naval Reserve Training Vessel in the 1st Naval District from February 1960 until 2 December 1968. Stricken 2 December 1968. Sold 18 May 1973 to be broken up for scrap.

Commands listed for USS Sea Dog (401)

Please note that we're still working on this section
and that we only list Commanding Officers for the duration of the Second World War.

	Commander	From	To
1	T/Cdr. Vernon Long Lowrance, USN	3 Jun 1944	26 Feb 1945
2	T/Cdr. Earl Twining Hydeman, USN	26 Feb 1945	6 Feb 1946

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Notable events involving Sea Dog include:

22 Aug 1944
With her trials and initial training completed USS Sea Dog (Lt.Cdr. Vernon Long Lowrance) arrived at Pearl Harbor.

13 Sep 1944
USS Sea Dog (Lt.Cdr. V.L. Lowrance) departed from Pearl Harbor for her 1st war patrol. She was ordered to patrol south off the Ryukyu Islands.

17 Sep 1944
USS Sea Dog (Lt.Cdr. Vernon Long Lowrance) refuels at Midway.

22 Oct 1944
USS Sea Dog (Lt.Cdr. V.L. Lowrance) torpedoed and sank the Japanese supply ship Muroto (8215 GRT) south-southwest of Kagoshima in position 29°19'N, 129°44'E, and the Japanese auxiliary gunboat Tomitsu Maru (2933 GRT) south of Akuseki Jima in position 29°18'N, 129°44'E.

5 Nov 1944
USS Sea Dog (Lt.Cdr. V.L. Lowrance) ended her 1st war patrol at Midway.

29 Nov 1944
USS Sea Dog (Cdr. V.L. Lowrance) departed from Midway for her 2nd war patrol. She was ordered to patrol in the South China Sea.

8 Dec 1944
USS Sea Dog (Cmdr Vernon Long Lowrance) refuels at Saipan, and departed from the next day.

5 Feb 1945
USS Sea Dog (Cdr. V.L. Lowrance) ended her 2nd war patrol at Pearl Harbor.

11 Mar 1945
USS Sea Dog (Cmdr Earl Twining Hydeman) departed from Pearl Harbor for her 3rd war patrol, and was ordered to patrol south of Kyushu and Honshu, Japan.

16 Apr 1945
USS Sea Dog (Cdr. E.T. Hydeman) torpedoed and sank the Japanese merchant cargo ship Toko Maru (530 GRT) off Mikura Jima in position 33°31'N, 139°36'E.

23 Apr 1945
USS Sea Dog (Cdr. E.T. Hydeman) ended her 3rd war patrol at Guam.

27 May 1945
USS Sea Dog (Cdr. E.T. Hydeman) departed from Guam for her 4th war patrol. She was ordered to patrol in the Sea of Japan.

9 Jun 1945
USS Sea Dog (Cdr. E.T. Hydeman) torpedoed and sank the Japanese merchant cargo ships Sagawa Maru (1186 GRT) and Shoyo Maru (2211 GRT) off the northwest coast of Honshu in position 38°10'N, 138°20'E.

11 Jun 1945
USS Sea Dog (Cdr. E.T. Hydeman) torpedoed and sank the Japanese merchant cargo ship Kofuku Maru (753 GRT) off the east coast of Honshu in position 40°28'N, 139°47'E.

12 Jun 1945
USS Sea Dog (Cdr. E.T. Hydeman) torpedoed and sank the Japanese merchant cargo ships Shinsen Maru (887 GRT) and Kaiwa Maru (1045 GRT) off the east coast of Honshu in position 40°11'N, 139°46'E.

15 Jun 1945
USS Sea Dog (Cdr. E.T. Hydeman) torpedoed and sank the Japanese merchant cargo ship Koan Maru (661 GRT) off the east coast of Honshu in position 39°53'N, 139°40'E.

19 Jun 1945
USS Sea Dog (Cdr. E.T. Hydeman) torpedoed and sank the Japanese army cargo ship Kokai Maru (1272 GRT) and the Japanese merchant cargo ship Shinhei Maru No.3 (958 GRT) off the northwest coast of Hokkaido in position 43°12'N, 140°19'E.

5 Jul 1945
USS Sea Dog (Cdr. E.T. Hydeman) ended her 4th war patrol at Pearl Harbor.