USS ''O-4'' (SS-65) was one of 16 O-class submarines built for the

United States Navy The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage ...

during World War I.

Description

The O-class submarines were designed to meet a Navy requirement for coastal defense boats.Friedman, pp. 86–87 The submarines had a length of

overall Overalls, also called bib-and-brace overalls or dungarees, are a type of garment usually used as protective clothing when working. The garments are commonly referred to as a "pair of overalls" by analogy with "pair of trousers". Overalls were ...

, a

beam Beam may refer to: Streams of particles or energy *Light beam, or beam of light, a directional projection of light energy **Laser beam *Particle beam, a stream of charged or neutral particles **Charged particle beam, a spatially localized grou ...

of and a mean

draft Draft, The Draft, or Draught may refer to: Watercraft dimensions * Draft (hull), the distance from waterline to keel of a vessel * Draft (sail), degree of curvature in a sail * Air draft, distance from waterline to the highest point on a vessel ...

of . They displaced on the surface and submerged. The O-class submarines had a crew of 29 officers and enlisted men. They had a diving depth of .Gardiner & Gray, p. 129 For surface running, the boats were powered by two

diesel engine The diesel engine, named after Rudolf Diesel, is an internal combustion engine in which ignition of the fuel is caused by the elevated temperature of the air in the cylinder due to mechanical compression; thus, the diesel engine is a so-call ...

s, each driving one

propeller shaft A drive shaft, driveshaft, driving shaft, tailshaft (Australian English), propeller shaft (prop shaft), or Cardan shaft (after Girolamo Cardano) is a component for transmitting mechanical power and torque and rotation, usually used to connect ...

. When submerged each propeller was driven by a

electric motor An electric motor is an Electric machine, electrical machine that converts electrical energy into mechanical energy. Most electric motors operate through the interaction between the motor's magnetic field and electric current in a Electromagneti ...

. They could reach on the surface and underwater. On the surface, the O class had a range of at . The boats were armed with four 18 inch (450 mm)

torpedo tube A torpedo tube is a cylindrical device for launching torpedoes. There are two main types of torpedo tube: underwater tubes fitted to submarines and some surface ships, and deck-mounted units (also referred to as torpedo launchers) installed aboa ...

s in the bow. They carried four reloads, for a total of eight torpedoes. The O-class submarines were also armed with a single 3"/50 caliber

deck gun A deck gun is a type of naval artillery mounted on the deck of a submarine. Most submarine deck guns were open, with or without a shield; however, a few larger submarines placed these guns in a turret. The main deck gun was a dual-purpose ...

Construction and career

''O-4'' was laid down on 4 December 1916 by the

Fore River Shipbuilding Fore River Shipyard was a shipyard owned by General Dynamics Corporation located on Weymouth Fore River in Braintree and Quincy, Massachusetts. It began operations in 1883 in Braintree, and moved to its final location on Quincy Point in 1901. In ...

Company in

Quincy, Massachusetts Quincy ( ) is a coastal U.S. city in Norfolk County, Massachusetts, United States. It is the largest city in the county and a part of Greater Boston, Metropolitan Boston as one of Boston's immediate southern suburbs. Its population in 2020 was 1 ...

. She was launched on 20 October 1917, and commissioned on 29 May 1918 with Lieutenant Robert H. English (1888–1943), in command. ''O-4'' operated out of

Philadelphia, Pennsylvania Philadelphia, often called Philly, is the largest city in the Commonwealth of Pennsylvania, the sixth-largest city in the U.S., the second-largest city in both the Northeast megalopolis and Mid-Atlantic regions after New York City. Sinc ...

, during

World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...

and patrolled the U.S. Atlantic coast from

Cape Cod Cape Cod is a peninsula extending into the Atlantic Ocean from the southeastern corner of mainland Massachusetts, in the northeastern United States. Its historic, maritime character and ample beaches attract heavy tourism during the summer mont ...

Key West, Florida Key West ( es, Cayo Hueso) is an island in the Straits of Florida, within the U.S. state of Florida. Together with all or parts of the separate islands of Sigsbee Park, Dredgers Key, Fleming Key, Sunset Key, and the northern part of Stock Isla ...

. On 24 July 1918, a British steamer mistook ''O-4'' and for German

U-boat U-boats were naval submarines operated by Germany, particularly in the First and Second World Wars. Although at times they were efficient fleet weapons against enemy naval warships, they were most effectively used in an economic warfare role ...

s and fired on the submarines. Although ''O-4'' received six hits from the steamer, she suffered no major damage. In November, she joined the 20-submarine contingent that departed

Newport, Rhode Island Newport is an American seaside city on Aquidneck Island in Newport County, Rhode Island. It is located in Narragansett Bay, approximately southeast of Providence, Rhode Island, Providence, south of Fall River, Massachusetts, south of Boston, ...

, on 3 November for

Europe Europe is a large peninsula conventionally considered a continent in its own right because of its great physical size and the weight of its history and traditions. Europe is also considered a Continent#Subcontinents, subcontinent of Eurasia ...

an waters, however, hostilities ceased before the boats had reached the

Azores ) , motto =( en, "Rather die free than subjected in peace") , anthem= ( en, "Anthem of the Azores") , image_map=Locator_map_of_Azores_in_EU.svg , map_alt=Location of the Azores within the European Union , map_caption=Location of the Azores wi ...

. ''O-4'' then sailed to

New London, Connecticut New London is a seaport city and a port of entry on the northeast coast of the United States, located at the mouth of the Thames River in New London County, Connecticut. It was one of the world's three busiest whaling ports for several decades ...

, to train students at the Submarine School there. Reclassified to a second line submarine on 26 July 1924, and reverting to a first liner on 6 June 1928, she trained Submarine School students at New London until 1931, with the exception of a brief tour at

Coco Solo Coco Solo was a United States Navy submarine base and naval air station, active from 1918 to the 1960s. History The submarine base at Coco Solo was established May 6, 1918. The site corresponds with modern-day Cativá in Panama. It was on the ...

. ''O-4'' decommissioned on 3 June 1931. The approach of

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 vast majority of the world's countries—including all of the great powers—forming two opposin ...

saw the recall of ''O-4'' to active service. She recommissioned on 29 January 1941 and trained students at the Submarine School until war's end. After the war, she steamed to

Portsmouth, New Hampshire Portsmouth is a city in Rockingham County, New Hampshire, United States. At the 2020 census it had a population of 21,956. A historic seaport and popular summer tourist destination on the Piscataqua River bordering the state of Maine, Portsmou ...

, to decommission there on 20 September 1945. She was struck from the

Naval Vessel Register The ''Naval Vessel Register'' (NVR) 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 t ...

on 11 October 1945, and scrapped on 1 February 1946.

Length of service

Following the decommissioning of the submarines ''N-1'', ''N-2'' and ''N-3'' in April 1926, O-4 was the oldest submarine in active service with the United States Navy until her final decommissioning in September 1945. (Although ''O-4'' was fourth boat numerically in the O Class, she was the first commissioned.) ''O-4'' held the distinction of being the US Navy submarine in service for the longest period of time (27 years 4 months) until surpassed by USS ''Picuda'' (SS-382) in February 1971.

Awards

* World War I Victory Medal *

American Defense Service Medal The American Defense Service Medal was a military award of the United States Armed Forces, established by , by President Franklin D. Roosevelt, on June 28, 1941. The medal was intended to recognize those military service members who had served ...

American Campaign Medal The American Campaign Medal is a military award of the United States Armed Forces which was first created on November 6, 1942, by issued by President Franklin D. Roosevelt. The medal was intended to recognize those military members who had perfo ...

World War II Victory Medal The World War II Victory Medal is a service medal of the United States military which was established by an Act of Congress on 6 July 1945 (Public Law 135, 79th Congress) and promulgated by Section V, War Department Bulletin 12, 1945. The Wor ...

Notes

References

* * *

External links

* {{DEFAULTSORT:O-04 United States O-class submarines World War I submarines of the United States World War II submarines of the United States Ships built in Quincy, Massachusetts 1917 ships