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Manitowoc Shipbuilding Company, located in
Manitowoc Shipbuilding Company, Shipbuilding Record
{{Authority control Defunct shipbuilding companies of the United States Military vehicle manufacturers Manitowoc County, Wisconsin Defunct manufacturing companies based in Wisconsin Ships built in Manitowoc, Wisconsin Shipyards building World War II warships
Manitowoc, Wisconsin
Manitowoc () is a city in and the county seat of Manitowoc County, Wisconsin, United States. The city is located on Lake Michigan at the mouth of the Manitowoc River. According to the 2020 census, Manitowoc had a population of 34,626, with ov ...
, was a major shipbuilder
Shipbuilding is the construction of ships and other floating vessels. It normally takes place in a specialized facility known as a shipyard. Shipbuilders, also called shipwrights, follow a specialized occupation that traces its roots to befor ...
for the Great Lakes
The Great Lakes, also called the Great Lakes of North America, are a series of large interconnected freshwater lakes in the mid-east region of North America that connect to the Atlantic Ocean via the Saint Lawrence River. There are five la ...
. It was founded in 1902, and made mainly steel ferries
A ferry is a ship, watercraft or amphibious vehicle used to carry passengers, and sometimes vehicles and cargo, across a body of water. A passenger ferry with many stops, such as in Venice, Italy, is sometimes called a water bus or water taxi ...
and ore
Ore is natural rock or sediment that contains one or more valuable minerals, typically containing metals, that can be mined, treated and sold at a profit.Encyclopædia Britannica. "Ore". Encyclopædia Britannica Online. Retrieved 7 April ...
haulers. During World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
, it built submarines, tank landing craft
The Landing Craft, Tank (LCT) (or Tank Landing Craft TLC) was an amphibious assault craft for landing tanks on beachheads. They were initially developed by the Royal Navy and later by the United States Navy during World War II in a series of ver ...
(LCTs), and self-propelled fuel barge
Barge nowadays generally refers to a flat-bottomed inland waterway vessel which does not have its own means of mechanical propulsion. The first modern barges were pulled by tugs, but nowadays most are pushed by pusher boats, or other vessels. ...
s called "YOs". Employment peaked during the military years at 7000. The shipyard closed in 1968, when Manitowoc Company
The Manitowoc Company, Inc. was founded in 1902 and, through its wholly owned subsidiaries, designs, manufactures, markets, and supports mobile telescopic cranes, tower cranes, lattice-boom crawler cranes, and boom trucks under the Grove, Manitow ...
bought Bay Shipbuilding Company
Bay Shipbuilding Company (BSC) is a shipyard and dry dock company in Sturgeon Bay, Door County, Wisconsin. As of 2015, Bay Ships was a subsidiary of Fincantieri Marine Group and produces articulated tug and barges, OPA-90 compliant double hull ...
and moved their shipbuilding operation to Sturgeon Bay
Sturgeon Bay is an arm of Green Bay extending southeastward approximately 10 miles into the Door Peninsula at the city of Sturgeon Bay, located approximately halfway up the Door Peninsula. The bay is connected to Lake Michigan by the Sturgeo ...
.
Submarine building program
Shipyard President Charles C. West contacted theBureau of Construction and Repair The Bureau of Construction and Repair (BuC&R) was the part of the United States Navy which from 1862 to 1940 was responsible for supervising the design, construction, conversion, procurement, maintenance, and repair of ships and other craft for the ...
in 1939 to propose building destroyers at Manitowoc and transporting them through the Chicago River
The Chicago River is a system of rivers and canals with a combined length of that runs through the city of Chicago, including its center (the Chicago Loop). Though not especially long, the river is notable because it is one of the reasons for ...
, Chicago Sanitary and Ship Canal
The Chicago Sanitary and Ship Canal, historically known as the Chicago Drainage Canal, is a canal system that connects the Chicago River to the Des Plaines River. It reverses the direction of the Main Stem and the South Branch of the Chicago ...
, Illinois River
The Illinois River ( mia, Inoka Siipiiwi) is a principal tributary of the Mississippi River and is approximately long. Located in the U.S. state of Illinois, it has a drainage basin of . The Illinois River begins at the confluence of the ...
, and Mississippi River
The Mississippi River is the second-longest river and chief river of the second-largest drainage system in North America, second only to the Hudson Bay drainage system. From its traditional source of Lake Itasca in northern Minnesota, it ...
in a floating drydock
A dry dock (sometimes drydock or dry-dock) is a narrow basin or vessel that can be flooded to allow a load to be floated in, then drained to allow that load to come to rest on a dry platform. Dry docks are used for the construction, maintenance, ...
towed by the tugboat
A tugboat or tug is a marine vessel that manoeuvres other vessels by pushing or pulling them, with direct contact or a tow line. These boats typically tug ships in circumstances where they cannot or should not move under their own power, su ...
''Minnesota''. After evaluating the plan and surveying the shipyard, the Navy suggested building submarines instead. A contract for ten submarines was awarded on 9 September 1940. The Navy paid for lift machinery on Chicago's Western Avenue railroad bridge to clear a submarine. The 15-foot-draft submarines entered the floating drydock on the Illinois River to get through the 9-foot-deep Chain of Rocks Channel near the confluence of the Mississippi and Missouri Rivers. Submarines left the drydock at New Orleans and reinstalled periscope
A periscope is an instrument for observation over, around or through an object, obstacle or condition that prevents direct line-of-sight observation from an observer's current position.
In its simplest form, it consists of an outer case with ...
shears, periscopes, and radar
Radar is a detection system that uses radio waves to determine the distance ('' ranging''), angle, and radial velocity of objects relative to the site. It can be used to detect aircraft, ships, spacecraft, guided missiles, motor vehicles, w ...
masts which had been removed to clear bridges over the river.Nelson, William T., RADM USN "1,500 Miles in a Floating Dry Dock" ''United States Naval Institute Proceedings'' March 1980 pp. 86-89
Manitowoc had never built a submarine before, but the first was completed 228 days before the contract delivery date. Contracts were awarded for additional submarines, and the last submarine was completed by the date scheduled for the 10th submarine of the original contract. Total production of 28 submarines was completed for $5,190,681 less than the contract price.
SS-361 through SS-364 were initially ordered as ''Balao''-class, and were assigned hull numbers that fall in the middle of the range of numbers for the ''Balao'' class (SS-285 through SS-416 & SS-425–426). Thus, in some references they are listed with that class. However, they were completed by Manitowoc as ''Gato''s, due to an unavoidable delay in Electric Boat
An electric boat is a powered watercraft driven by electric motors, which are powered by either on-board battery packs, solar panels or generators.
While a significant majority of water vessels are powered by diesel engines, with sail po ...
's development of ''Balao''-class drawings. Manitowoc was a follow yard to Electric Boat, and was dependent on them for designs and drawings.
List of fleet submarines built by Manitowoc
The following is a complete list of the submarines built by Manitowoc during WW II.Silverstone, Paul H. ''U.S. Warships of World War II'' Doubleday & Company (1968) p.197 Fahey, James C. ''The Ships and Aircraft of the U.S. Fleet (Victory Edition)'' Ships and Aircraft (1945) p.32Morison, Samuel Eliot ''History of United States Naval Operations in World War II (Volume 15)'' Little, Brown & Company (1962) p.58Kafka, Roger and Pepperburg, Roy L. ''Warships of the World'' Cornell Maritime Press (1946) p.173Preston, Anthony ''Jane's Fighting Ships of World War II'' Random House (1996) p.290Silverstone, Paul H. ''U.S. Warships of World War II'' Doubleday & Company (1968) p.201Morison, Samuel Eliot ''History of United States Naval Operations in World War II (Volume 15)'' Little, Brown & Company (1962) p.59Kafka, Roger and Pepperburg, Roy L. ''Warships of the World'' Cornell Maritime Press (1946) p.170Silverstone, Paul H. ''U.S. Warships of World War II'' Doubleday & Company (1968) p.202 Years listed reflect launch dates. 14 of 77 : *1942 − − sank 7 ships in 10World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
Pacific
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...
patrolsBlair, Clay Jr. ''Silent Victory, volume 2'' J.B.Lippincott Company (1975) p.955
*1942 − − sank 16 ships in 10 World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
Pacific
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...
patrols
*1942 − − sank 3 ships in 9 World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
Pacific
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...
patrolsBlair, Clay Jr. ''Silent Victory, volume 2'' J.B.Lippincott Company (1975) p.954
*1942 − − sank 8 ships in 9 World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
Pacific
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...
patrolsBlair, Clay Jr. ''Silent Victory, volume 2'' J.B.Lippincott Company (1975) p.949
*1942 − − sank 18 ships in 8 World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
Pacific
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...
patrols, 2nd highest tonnage sunk by a US submarine during the war
*1943 − − sank 9 ships in 8 World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
Pacific
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...
patrols
*1943 − − sank 14 ships in 8 World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
Pacific
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...
patrols
*1943 − − sank 5 ships in 7 World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
Pacific
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...
patrolsBlair, Clay Jr. ''Silent Victory, volume 2'' J.B.Lippincott Company (1975) p.956
*1943 − − 3 World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
Pacific
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...
patrolsBlair, Clay Jr. ''Silent Victory, volume 2'' J.B.Lippincott Company (1975) p.923
*1943 − − sank 1 ship in 6 World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
Pacific
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...
patrolsBlair, Clay Jr. ''Silent Victory, volume 2'' J.B.Lippincott Company (1975) p.947
*1943 − − 2 World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
Pacific
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...
patrolsBlair, Clay Jr. ''Silent Victory, volume 2'' J.B.Lippincott Company (1975) p.924
*1943 − − sank 5 ships in 6 World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
Pacific
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...
patrols
*1943 − − sank 6 ships in 5 World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
Pacific
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...
patrolsBlair, Clay Jr. ''Silent Victory, volume 2'' J.B.Lippincott Company (1975) p.948
*1943 − − sank 11 ships in 7 World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
Pacific
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...
patrols
14 of 120 :
*1943 − − sank 7 ships in 6 World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
Pacific
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...
patrols
*1944 − − sank 6 ships in 5 World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
Pacific
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...
patrols
*1944 − − sank 2 ships in 5 World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
Pacific
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...
patrols
*1944 − − sank 2 ships in 4 World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
Pacific
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...
patrols
*1944 − − sank 3 ships in 2 World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
Pacific
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...
patrolsBlair, Clay Jr. ''Silent Victory, volume 2'' J.B.Lippincott Company (1975) p.944
*1944 − − 4 World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
Pacific
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...
patrols
*1944 − − sank 3 ships in 2 World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
Pacific
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...
patrols
*1944 − − 3 World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
Pacific
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...
patrols
*1944 − − 2 World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
Pacific
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...
patrols
*1944 − − 2 World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
Pacific
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...
patrols
*1944 − − 1 World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
Pacific
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...
patrol
*1944 −
*1944 −
*1945 −
Landing Craft Tank LCT
Manitowoc Shipbuilding built 36 Landing Craft Tank. The model ID was from LCT(5) 1 to LCT(5) 36, LCT were not given ship names. Many were used for the Invasion of Normandy from 6 to 25 June 1944. Of the 36 LCTs built by Manitowoc, 9 sank in action. Landing Craft Tank has a: displacement of 285 tons, length of 114' 2", beam of 32' 8", draft of 3' 6", top speed of 10 kts., a range of 700 nautical miles, held 1 officer and 10 enlisted men, a cargo capacity of 150 short tons, armament of two single 20mm AA guns, and two .50 cal. machine guns. Propulsion was from three Grey Marine 6-71 Diesel engines, driving three propellers with 675 shp. Power was from one 20 kW Diesel engine.World War 1
For World War 1 and post war support, Manitowoc Shipbuilding built cargo ships from 1917 to 1920. The ships were contracted under theUnited States Shipping Board
The United States Shipping Board (USSB) was established as an emergency agency by the 1916 Shipping Act (39 Stat. 729), on September 7, 1916. The United States Shipping Board's task was to increase the number of US ships supporting the World War ...
and classed as Design 1044. The ships were: 2,124 to 2,711 DWT. Most of these ships were named after lakes. The SS ''Coquina'' renamed was sunk by Japanese submarine I-26
''I-26'' was an Imperial Japanese Navy B1 type submarine commissioned in 1941. She saw service in the Pacific War theatre of World War II, patrolling off the West Coast of Canada and the United States, the east coast of Australia, and Fiji and ...
on December 7, 1941. Other notable ships: , , , , and . Post World War 1 Manitowoc built: scow
A scow is a smaller type of barge. Some scows are rigged as sailing scows. In the 19th and early 20th centuries, scows carried cargo in coastal waters and inland waterways, having an advantage for navigating shallow water or small harbours. S ...
s, tugboat
A tugboat or tug is a marine vessel that manoeuvres other vessels by pushing or pulling them, with direct contact or a tow line. These boats typically tug ships in circumstances where they cannot or should not move under their own power, su ...
s, barges, a ferry, three patrol boats
A patrol boat (also referred to as a patrol craft, patrol ship, or patrol vessel) is a relatively small naval vessel generally designed for coastal defence, border security, or law enforcement. There are many designs for patrol boats, and they ...
for the U.S. Coast Guard
The United States Coast Guard (USCG) is the maritime security, search and rescue, and law enforcement service branch of the United States Armed Forces and one of the country's eight uniformed services. The service is a maritime, military, mult ...
and the Presidential yacht
Presidential yacht may refer to a vessel of a country's navy that would be specially used by the country's president. It is common for a vessel to be designated as the presidential yacht during a fleet review.
Some countries (below) have vessels p ...
(1934).
Post World War 2
After World War 2 Manitowoc continued to built ships, barges and dredges, from 150 to 649 DWT, till the shipyard closed in 1972. In 1947 Manitowoc built a 900-tonfloating drydock
A dry dock (sometimes drydock or dry-dock) is a narrow basin or vessel that can be flooded to allow a load to be floated in, then drained to allow that load to come to rest on a dry platform. Dry docks are used for the construction, maintenance, ...
for Buffalo New York. Notable post war ships: (1953) and (1960).
See also
* *The Manitowoc Company
The Manitowoc Company, Inc. was founded in 1902 and, through its wholly owned subsidiaries, designs, manufactures, markets, and supports mobile telescopic cranes, tower cranes, lattice-boom crawler cranes, and boom trucks under the Grove, Manitow ...
- successor
Notes
External links
Manitowoc Shipbuilding Company, Shipbuilding Record
{{Authority control Defunct shipbuilding companies of the United States Military vehicle manufacturers Manitowoc County, Wisconsin Defunct manufacturing companies based in Wisconsin Ships built in Manitowoc, Wisconsin Shipyards building World War II warships