Submarine Segundo (SS-398)

Segundo

國家	美國
艦級	Balao 級潛艇
Hull Number	SS-398
造船廠	Portsmouth Naval Shipyard, Kittery, Maine, United States
安放龍骨日期	1943年10月14日
下水日期	1944年2月5日
服役日期	1944年5月9日
除役日期	1970年8月1日
沉沒日期	1970年8月8日
排水量	1,550 tons standard; 2,429 tons submerged
長度	311 feet
寬度	27 feet
吃水	17 feet
動力來源	Four Fairbanks-Morse Model 38D8-? diesel engines (5,400shp), four high-speed Elliott electric motors (2,740shp), 4 126-cell Sargo batteries
速度	20 knots
續航力	11,000nm at 10 knots surfaced, 48 hours at 2 knots submerged
乘員	81
武裝	6x533mm forward torpedo tubes, 4x533mm aft torpedo tubes, 24 torpedoes, 1x127mm 25cal gun
Submerged Speed	8.75 knots

Contributor: C. Peter Chen

ww2dbaseCommissioned in May 1944 with Lieutenant Commander James D. Fulp, Jr., she began a brief training period at New London, Connecticut, United States on 15 Jun. Via the Panama Canal, she arrived at Pearl Harbor, Hawaii, United States for further training. Her first war patrol yielded no action, but her subsequent three war patrols had been fruitful. Her fifth war patrol began in the Sea of Okhotsk off the Kurile Islands shortly before the end of the Pacific War. On 29 Aug, she made contact with Japanese submarine I-401 by radar; the two commanding officers agreed for an American crew to board the Japanese submarine, and Segundo escorted I-401 to Sagami Wan southwest of Tokyo Bay, Japan, arriving on 31 Aug. After the war, she returned to the United States in Oct 1945. In 1946, she made a three-month cruise to Australia and China. In 1948, she made a four-month cruise to China. During the Korean War, she served off Korea between Jul and Sep 1950. In 1951, she was modernized at the San Francisco Naval Shipyard, California, United States, then was assigned to the US 7th Fleet for operations off Korea. Between 1953 and 1970, she operated along the west coast of the United States, making frequent trips to the western Pacific Ocean areas. She was found unfit for further service by the Survey Board in Jul 1970, and was decommissioned in the following month. She was sunk by submarine Salmon on 8 Aug 1970 as a target.

ww2dbaseSource: Wikipedia

Last Major Revision: Jul 2011

Submarine Segundo (SS-398) 互動地圖

Photographs

Launching of submarine Segundo, Portsmouth Navy Yard, Kittery, Maine, United States, 5 Feb 1944

Submarine tender Proteus with submarines of US Navy Submarine Squadron 20, Tokyo Bay, Japan, 2 Sep 1945

Bow view of USS Segundo departing Mare Island Naval Shipyard, California, United States, 24 Apr 1946

See all 12 photographs of Submarine Segundo (SS-398)

Segundo Operational Timeline

1943年10月14日	Submarine Segundo was laid down.
1944年2月5日	Submarine Segundo was launched, sponsored by Mrs. John L. Sullivan.
1944年5月9日	USS Segundo was commissioned into service with Lieutenant Commander James D. Fulp, Jr. in command.
1944年6月15日	USS Segundo arrived at New London, Connecticut, United States.
1944年6月26日	USS Segundo departed New London, Connecticut, United States.
1944年7月9日	USS Segundo departed Balboa, Panama Canal Zone.
1944年7月25日	USS Segundo arrived at Pearl Harbor, US Territory of Hawaii.
1944年8月19日	USS Segundo began taking on ammunition and supplies for a war patrol.
1944年8月20日	USS Segundo completed taking on ammunition and supplies for a war patrol.
1944年8月21日	USS Segundo departed Pearl Harbor, US Territory of Hawaii for her first war patrol.
1944年9月3日	USS Segundo arrived at Saipan, Mariana Islands.
1944年9月4日	USS Segundo departed Saipan, Mariana Islands.
1944年10月6日	USS Segundo was damaged by a bomb from a Japanese aircraft in the Surigao Strait in Philippine waters, damaging the deck gun, destroying an engine exhaust muffler, and cracking generator foundation mounts.
1944年10月21日	USS Segundo arrived at Majuro Atoll, Marshall Islands, ending her first war patrol.
1944年11月16日	USS Segundo departed Majuro, Marshall Islands for her second war patrol.
1944年12月1日	USS Segundo arrived on station in the Luzon Strait
1944年12月6日	Submarines USS Segundo, USS Trepang, and USS Razorback sank all ships in a 7-ship Japanese convoy, escorted by destroyer Kuretake and submarine chaser CH-33, in the South China Sea. Segundo was credited with damaging Yasukuni Maru (later scuttled) and sinking a unidentified ammunition ship.
1944年12月9日	USS Segundo recorded stormy weather with winds measuring 8 on the 12-point Beaufort scale. When a large wave hit her, Fireman 1st Class G. H. Saunders was washed overboard and was lost; he was USS Segundo's first casualty.
1944年12月17日	USS Segundo encountered a typhoon while at sea, registering sustained winds at 145 miles per hour, with occasional gusts up to 185 miles per hour.
1944年12月26日	USS Segundo sailed through rough seas with crests up to 40 feet. A particularly large wave crashed over the submarine unexpectedly, and the great amount of water that got in damaged both master and auxiliary compasses.
1945年1月5日	USS Segundo arrived at Apra, Guam, Mariana Islands.
1945年2月1日	USS Segundo departed Guam, Mariana Islands for her third war patrol.
1945年3月6日	USS Segundo fired 4 torpedoes at a small Japanese ship in the East China Sea off Korea; all torpedoes missed.
1945年3月7日	USS Segundo sank Japanese freighter Shori Maru in the East China Sea, hitting her with 2 of 4 torpedoes fired.
1945年3月8日	USS Segundo pursued a Japanese convoy consisted of 2 freighters and 2 escort vessels in the East China Sea; she was chased away by the escorts before she could attack.
1945年3月10日	USS Segundo fired 4 torpedoes at a Japanese ship off Korea; all torpedoes missed.
1945年3月11日	USS Segundo sank Japanese cargo ship Shori Maru in the East China Sea off Korea with 2 of 4 torpedoes fired.
1945年3月26日	USS Segundo arrived at Pearl Harbor, US Territory of Hawaii, ending her third war patrol.
1945年5月8日	The crew of USS Segundo held a celebratory dinner at Saipan, Mariana Islands.
1945年5月16日	USS Segundo departed for her fourth war patrol.
1945年5月18日	USS Segundo encountered two bodies floating in the water in the East China Sea; her crew identified them to be one American and one Japanese.
1945年5月29日	USS Segundo encountered several vessels in the East China Sea; she seven two-masted schooners her crew identified as Japanese with the deck gun.
1945年5月31日	USS Segundo sank a four-masted sail ship with two torpedoes.
1945年6月3日	USS Segundo sank a Japanese sail in the East China Sea with her deck gun.
1945年6月7日	USS Segundo sank a Japanese ship with her deck gun.
1945年6月9日	USS Segundo fired three torpedoes at a tug and her tow; all three missed. She then proceeded to sink them with her deck gun. Seeing that the targets fired back, Segundo's officers determined that the tug was likely a Q-ship.
1945年6月11日	USS Segundo sank Fukui Maru with 3 of 7 torpedoes fired.
1945年6月29日	Lieutenant Commander Stephen Johnson was named the commanding officer of USS Segundo.
1945年8月10日	USS Segundo departed Midway Atoll for her fifth war patrol in the Sea of Okhotsk off the Kurile Islands. She was tasked to monitor Soviet activity in northern Japan.
1945年8月19日	USS Segundo reconnoitered waters off the Kurile Islands, monitoring Soviet activity.
1945年8月24日	USS Segundo was ordered to sail for Tokyo Bay, Japan.
1945年8月29日	USS Segundo halted Japanese submarine I-401 less than 200 miles southeast of Honshu island, Japan and escorted her toward Sagami Wan, Japan.
1945年8月31日	USS Segundo arrived at Sagami Wan, Japan at 0500 hours and was relieved of the duty of escorting the captured Japanese submarine I-401.
1945年9月3日	USS Segundo departed Tokyo Bay, Japan for the west coast of the United States.
1946年1月29日	USS Segundo entered Mare Island Naval Shipyard, California, United States for overhaul.
1946年5月10日	USS Segundo completed her overhaul at Mare Island Naval Shipyard, California, United States.
1949年5月16日	USS Segundo entered Mare Island Naval Shipyard, California, United States for overhaul.
1949年8月24日	USS Segundo completed her overhaul at Mare Island Naval Shipyard, California, United States.
1952年8月15日	USS Segundo was assigned to the US 7th Fleet for operations off Korea.
1953年2月16日	USS Segundo was detached from the US 7th Fleet.
1970年8月1日	USS Segundo was decommissioned from service.
1970年8月8日	Submarine Segundo was struck from the US Naval Register after being sunk by submarine Salmon as a target.

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Visitor Submitted Comments

1. Forrest Whittle says:
24 Aug 2014 05:17:00 AM

My father was on the SS398 Segundo for war patrols 2-5 he was so proud of his time during the war. Although he didn't talk much about what happened during those patrols he always talked about his buddies. He passed away this past March 2014 I myself retired from the Navy in 2002 after 20+ years I was always proud of his service as was he of mine. Thanks to all of the men who served during that time they are the GREATEST generation.

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