USS S-43 (SS-154)
Encyclopedia

USS S-43 (SS-154) was a third-group (S-42) S-class submarine
United States S class submarine
The United States' S-class submarines, often simply called S-boats , were the first class of submarines built to a United States Navy design....

 of the United States Navy
United States Navy
The United States Navy is the naval warfare service branch of the United States Armed Forces and one of the seven uniformed services of the United States. The U.S. Navy is the largest in the world; its battle fleet tonnage is greater than that of the next 13 largest navies combined. The U.S...

. Her keel was laid down on 13 December 1920 by the Bethlehem Shipbuilding
Bethlehem Shipbuilding
Bethlehem Sparrows Point Shipyard was founded in 1887 as Maryland Steel in Sparrows Point, Maryland. It was acquired by Bethlehem Shipbuilding Corporation in 1916 and renamed Bethlehem Sparrows Point Shipyard. The shipyard was sold in 1997 to Baltimore Marine Industries Inc....

 Corporation in Quincy, Massachusetts
Quincy, Massachusetts
Quincy is a city in Norfolk County, Massachusetts, United States. Its nicknames are "City of Presidents", "City of Legends", and "Birthplace of the American Dream". As a major part of Metropolitan Boston, Quincy is a member of Boston's Inner Core Committee for the Metropolitan Area Planning Council...

. She was launched
Ship naming and launching
The ceremonies involved in naming and launching naval ships are based in traditions thousands of years old.-Methods of launch:There are three principal methods of conveying a new ship from building site to water, only two of which are called "launching." The oldest, most familiar, and most widely...

 on 31 March 1923 sponsored by Mrs. John H. Brown, and commissioned
Ship commissioning
Ship commissioning is the act or ceremony of placing a ship in active service, and may be regarded as a particular application of the general concepts and practices of project commissioning. The term is most commonly applied to the placing of a warship in active duty with its country's military...

 on 31 December 1924 with Lieutenant C. E. Braine, Jr., in command.

Early years

Initially assigned to Submarine Division (SubDiv) 19 and then to SubDiv 11, S-43 completed trials off the Connecticut
Connecticut
Connecticut is a state in the New England region of the northeastern United States. It is bordered by Rhode Island to the east, Massachusetts to the north, and the state of New York to the west and the south .Connecticut is named for the Connecticut River, the major U.S. river that approximately...

 coast and, in April 1925, moved south to Guantanamo Bay
Guantanamo Bay Naval Base
Guantanamo Bay Naval Base is located on of land and water at Guantánamo Bay, Cuba which the United States leased for use as a coaling station following the Cuban-American Treaty of 1903. The base is located on the shore of Guantánamo Bay at the southeastern end of Cuba. It is the oldest overseas...

. Thence, she proceeded to the Submarine Base, Coco Solo
Coco Solo
Coco Solo was a United States Navy submarine base established in 1918 on the Atlantic Ocean side of the Panama Canal Zone, near Colón, Panama....

 in the Panama Canal Zone
Panama Canal Zone
The Panama Canal Zone was a unorganized U.S. territory located within the Republic of Panama, consisting of the Panama Canal and an area generally extending 5 miles on each side of the centerline, but excluding Panama City and Colón, which otherwise would have been partly within the limits of...

, where she was based for the next two years. Engaged in exercises—individual, division, and fleet—during that period, she was transferred with her division to the Battle Force in July 1927 and based at San Diego, California
San Diego, California
San Diego is the eighth-largest city in the United States and second-largest city in California. The city is located on the coast of the Pacific Ocean in Southern California, immediately adjacent to the Mexican border. The birthplace of California, San Diego is known for its mild year-round...

. From there, she continued her schedule of exercises and fleet problems into the 1930s. Annual overhauls and exercises off southern California
California
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

 were followed by summer operations in Hawaiian
Hawaiian Islands
The Hawaiian Islands are an archipelago of eight major islands, several atolls, numerous smaller islets, and undersea seamounts in the North Pacific Ocean, extending some 1,500 miles from the island of Hawaii in the south to northernmost Kure Atoll...

 waters and autumn patrols and exercises off Mexico
Mexico
The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...

.

December 1930, however, brought changes to her schedule. Then reassigned to Pearl Harbor
Pearl Harbor
Pearl Harbor, known to Hawaiians as Puuloa, is a lagoon harbor on the island of Oahu, Hawaii, west of Honolulu. Much of the harbor and surrounding lands is a United States Navy deep-water naval base. It is also the headquarters of the U.S. Pacific Fleet...

, she operated almost exclusively in the Hawaiian area until 1941. Exceptions to these operations came with fleet problem deployment and inactive periods during her years, 1932 to 1935, in the rotating reserve.

In June 1941, the boats of SubDiv 11 were ordered to New London, Connecticut
New London, Connecticut
New London is a seaport city and a port of entry on the northeast coast of the United States.It is located at the mouth of the Thames River in New London County, southeastern Connecticut....

. There, the division was redesignated SubDiv 53, and the old S-boat
United States S class submarine
The United States' S-class submarines, often simply called S-boats , were the first class of submarines built to a United States Navy design....

s were ordered, in groups, to Philadelphia, Pennsylvania
Philadelphia, Pennsylvania
Philadelphia is the largest city in the Commonwealth of Pennsylvania and the county seat of Philadelphia County, with which it is coterminous. The city is located in the Northeastern United States along the Delaware and Schuylkill rivers. It is the fifth-most-populous city in the United States,...

, for overhaul and alterations to increase their reliability in case of war.

In August, S-43 put back to sea only to suffer a complete power failure which foreshadowed future breakdowns. In September, however, she assumed patrol and training duties out of Bermuda
Bermuda
Bermuda is a British overseas territory in the North Atlantic Ocean. Located off the east coast of the United States, its nearest landmass is Cape Hatteras, North Carolina, about to the west-northwest. It is about south of Halifax, Nova Scotia, Canada, and northeast of Miami, Florida...

. At the end of October, she returned to southern New England
New England
New England is a region in the northeastern corner of the United States consisting of the six states of Maine, New Hampshire, Vermont, Massachusetts, Rhode Island, and Connecticut...

 for similar operations in the New London, Connecticut
New London, Connecticut
New London is a seaport city and a port of entry on the northeast coast of the United States.It is located at the mouth of the Thames River in New London County, southeastern Connecticut....

-Newport, Rhode Island
Newport, Rhode Island
Newport is a city on Aquidneck Island in Newport County, Rhode Island, United States, about south of Providence. Known as a New England summer resort and for the famous Newport Mansions, it is the home of Salve Regina University and Naval Station Newport which houses the United States Naval War...

 area; and, in late November, she moved further north, to Newfoundland
Dominion of Newfoundland
The Dominion of Newfoundland was a British Dominion from 1907 to 1949 . The Dominion of Newfoundland was situated in northeastern North America along the Atlantic coast and comprised the island of Newfoundland and Labrador on the continental mainland...

, to test the effects of weather there on the S-boats.

World War II deployment

On 7 December, the United States entered World War II
World War II
World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

. The next day, S-43 departed the Canadian
Canada
Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

 coast for New London and Coco Solo. On 27 December, she reached the Panama Canal Zone
Panama Canal Zone
The Panama Canal Zone was a unorganized U.S. territory located within the Republic of Panama, consisting of the Panama Canal and an area generally extending 5 miles on each side of the centerline, but excluding Panama City and Colón, which otherwise would have been partly within the limits of...

; and, on 9 January 1942, she transited the canal to conduct a security patrol in the Pacific approaches to that vital area. Returning to Coco Solo on 2 February, she prepared for transfer to the Australia
Australia
Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

-New Zealand
New Zealand
New Zealand is an island country in the south-western Pacific Ocean comprising two main landmasses and numerous smaller islands. The country is situated some east of Australia across the Tasman Sea, and roughly south of the Pacific island nations of New Caledonia, Fiji, and Tonga...

 area.

On 5 March, SubDiv 53, accompanied by submarine tender , got underway for Australia
Australia
Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

. In mid-April the S-boats completed their 12,000-mile voyage at Brisbane
Brisbane
Brisbane is the capital and most populous city in the Australian state of Queensland and the third most populous city in Australia. Brisbane's metropolitan area has a population of over 2 million, and the South East Queensland urban conurbation, centred around Brisbane, encompasses a population of...

, Queensland
Queensland
Queensland is a state of Australia, occupying the north-eastern section of the mainland continent. It is bordered by the Northern Territory, South Australia and New South Wales to the west, south-west and south respectively. To the east, Queensland is bordered by the Coral Sea and Pacific Ocean...

, where they were joined by the Asiatic Fleet's S-boats to form TF 42.

First war patrol

Upkeep followed, and, on 11 May, S-43 cleared Moreton Bay
Moreton Bay
Moreton Bay is a bay on the eastern coast of Australia 45 km from Brisbane, Queensland. It is one of Queensland's most important coastal resources...

 for her first war patrol. She ran submerged during daylight hours after passing 15 degrees south
15th parallel south
The 15th parallel south is a circle of latitude that is 15 degrees south of the Earth's equatorial plane. It crosses the Atlantic Ocean, Africa, the Indian Ocean, Australasia, the Pacific Ocean and South America....

, despite her lack of air conditioning. She arrived in her patrol area, St. George's Channel between New Ireland
New Ireland (island)
New Ireland is a large island in Papua New Guinea, approximately 7,404 km² in area. It is the largest island of the New Ireland Province, lying northeast of the island of New Britain. Both islands are part of the Bismarck Archipelago, named after Otto von Bismarck, and they are separated by...

 and New Britain
New Britain
New Britain, or Niu Briten, is the largest island in the Bismarck Archipelago of Papua New Guinea. It is separated from the island of New Guinea by the Dampier and Vitiaz Straits and from New Ireland by St. George's Channel...

, on 21 May. On 24 May, her main engine air compressors broke down making both engines dependent on the ship's air banks. Two nights were spent removing and repairing the starboard air compressor. Her port air compressor remained out of commission. Leaks in sea valves; contaminated fuel oil; and a persistent fogging problem on the number-one periscope
Periscope
A periscope is an instrument for observation from a concealed position. In its simplest form it consists of a tube with mirrors at each end set parallel to each other at a 45-degree angle....

 lens also plagued her for the remainder of the patrol. In early June 1942, The port engine clutch collapsed and became irreparable rendering the port engine unusable. The starboard engine threw a connecting rod on one of the pistons. Engine parts were thrown through the side of the engine. After three days and three nights the engines were still not operating. The Captain decided that if the crew was unable to get the engine running soon the only alternative would be to scuttle the submarine on a reef near Guadalcanal 54 miles away. The 55 crew members could then wade ashore with small arms. There was just enough power left in the batteries for this trip. Fortunately, the next day the Machinist's Mate
Machinist's Mate
Machinist's Mate is a rating in the United States Navy's engineering community.- Description :According to the Bureau of Naval Personnel , the job of an MM is to "operate, maintain, and repair ship propulsion machinery, auxiliary equipment, and outside machinery, such as: steering engine,...

 notified the Captain that emergency repairs had been made, broken parts removed, and holes welded in the cylinder wall and the submarine would be able to return to port on 7 (of 8) cylinders. The S-43 was able to make port in Brisbane, Australia.

From 26 May to 1 June, S-43 ran submerged during the day to clear the area and lay to at night to charge her batteries. On 2 June, she surfaced and, operating on one engine, continued at one-third speed to Brisbane, where she arrived on 10 June.

Second war patrol

After docking and refit, S-43 was again ordered out. On 8 July, she embarked Flight Officer C. F. Mason of the Royal Australian Air Force
Royal Australian Air Force
The Royal Australian Air Force is the air force branch of the Australian Defence Force. The RAAF was formed in March 1921. It continues the traditions of the Australian Flying Corps , which was formed on 22 October 1912. The RAAF has taken part in many of the 20th century's major conflicts...

, liaison and rescue officer for friendly agents on New Ireland
New Ireland (island)
New Ireland is a large island in Papua New Guinea, approximately 7,404 km² in area. It is the largest island of the New Ireland Province, lying northeast of the island of New Britain. Both islands are part of the Bismarck Archipelago, named after Otto von Bismarck, and they are separated by...

 and Feni Island; then got underway for the Bismarck Archipelago
Bismarck Archipelago
The Bismarck Archipelago is a group of islands off the northeastern coast of New Guinea in the western Pacific Ocean and is part of the Islands Region of Papua New Guinea.-History:...

. On 18 July, she arrived off New Ireland and, on the night of 19 July, put Mason ashore. Twenty-three hours later, she returned to pick him up. He had been unable to contact the agent to be taken off.

On the night of 21 July, S-43 surfaced off Feni and, at 1924, Mason went ashore to locate and bring off the agent there. At 19:20 on 22 July, the S-boat received a message from Mason to send in a boat; his had been punctured. Another inflatable boat was dispatched and returned within two hours, with Mason but without the agent. The following night, S-43 again surfaced near the Feni shore, and Mason returned to the island for the agent. On the night of 24 July, however, the S-boat received no answer to her signals. After numerous unsuccessful attempts to contact the liaison officer or the agent, S-43 began the voyage back and arrived at Brisbane on 7 August.

Third war patrol

Main engine failures postponed S-43’s third patrol departure from 27 August to 14 September. Initially assigned to intercept Japanese shipping headed for Milne Bay
Milne Bay
Milne Bay is a large bay in Milne Bay Province, southeastern Papua New Guinea. The bay is named after Sir Alexander Milne.The area was a site of the Battle of Milne Bay in 1942....

 by patrolling east of Kiriwina
Kiriwina
Kiriwina is the largest of the Trobriand Islands, with an area of 290.5 km². It is part of the Milne Bay Province of Papua New Guinea. Most of the 12,000 people who live in the Trobriands live on Kiriwina. The Kilivila language, also known as Kiriwina, is spoken on the island...

 in the Trobriand Islands
Trobriand Islands
The Trobriand Islands are a 450 km² archipelago of coral atolls off the eastern coast of New Guinea. They are situated in Milne Bay Province in Papua New Guinea. Most of the population of 12,000 indigenous inhabitants live on the main island of Kiriwina, which is also the location of the...

, she was soon shifted to the Buka Island
Buka Island
Buka Island is the second largest island in the Papua New Guinean province of Bougainville.- History :Buka was first occupied by humans in paleolithic times, some 30,000 years ago...

 area of the Solomon Islands
Solomon Islands
Solomon Islands is a sovereign state in Oceania, east of Papua New Guinea, consisting of nearly one thousand islands. It covers a land mass of . The capital, Honiara, is located on the island of Guadalcanal...

. During the patrol, she sighted no worthwhile targets; and, on 14 October, she returned to Australia.

Overhaul

The same month, SubDiv 53 was ordered back to Panama
Panama
Panama , officially the Republic of Panama , is the southernmost country of Central America. Situated on the isthmus connecting North and South America, it is bordered by Costa Rica to the northwest, Colombia to the southeast, the Caribbean Sea to the north and the Pacific Ocean to the south. The...

. Underway on 4 November, the boats, again accompanied by Griffin (AS-13), reached Coco Solo on 9 January 1943. There into the spring, S-43 proceeded to Cuba
Cuba
The Republic of Cuba is an island nation in the Caribbean. The nation of Cuba consists of the main island of Cuba, the Isla de la Juventud, and several archipelagos. Havana is the largest city in Cuba and the country's capital. Santiago de Cuba is the second largest city...

 in early April; then retraced her route; transited the Panama Canal
Panama Canal
The Panama Canal is a ship canal in Panama that joins the Atlantic Ocean and the Pacific Ocean and is a key conduit for international maritime trade. Built from 1904 to 1914, the canal has seen annual traffic rise from about 1,000 ships early on to 14,702 vessels measuring a total of 309.6...

; and, on 26 April, arrived at San Diego, California
San Diego, California
San Diego is the eighth-largest city in the United States and second-largest city in California. The city is located on the coast of the Pacific Ocean in Southern California, immediately adjacent to the Mexican border. The birthplace of California, San Diego is known for its mild year-round...

, where she operated for the West Coast Sound School through the summer. In September, she commenced a five-month overhaul to prepare her for returning to the Solomons. Proceeding to Pearl Harbor in mid-February, she remained there through March for engine repairs; and, on 31 March, got underway again. Five days later, a crank case explosion in the starboard main engine forced her to put into Espiritu Santo
Espiritu Santo
Espiritu Santo is the largest island in the nation of Vanuatu, with an area of . It belongs to the archipelago of the New Hebrides in the Pacific region of Melanesia. It is in the Sanma Province of Vanuatu....

 for repairs. Finally, on 22 April, she arrived in Purvis Bay
Purvis Bay
Purvis Bay is located in the Florida Islands, which are part of the Solomon Islands. The bay was used by the US Navy during World War Two....

, whence she conducted antisubmarine warfare (ASW) training operations with Allied surface and air units. In January 1945, she returned to Australia, performed similar as operations through February; and, on 2 March, departed Australian waters for the last time. Heading for the American West Coast, she was fired on by an Allied merchant ship during poor weather on 18 March, but submerged before suffering any damage. On 5 April, she reached San Diego.

Retirement

In late September, S-43 shifted to San Francisco, California
San Francisco, California
San Francisco , officially the City and County of San Francisco, is the financial, cultural, and transportation center of the San Francisco Bay Area, a region of 7.15 million people which includes San Jose and Oakland...

, where she was decommissioned on 10 October 1945. Stripped the same month, her name was struck from the Naval Vessel Register
Naval Vessel Register
The Naval Vessel Register is the official inventory of ships and service craft in custody of or titled by the United States Navy. It contains information on ships and service craft that make up the official inventory of the Navy from the time a vessel is authorized through its life cycle and...

 on 13 November, and her hulk was sold for scrap to the Salco Iron and Metal Company in San Francisco the following year.
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