USS L-4 (SS-43) was an L-class submarine

United States L class submarine

The United States L class submarine was the United States Navy's first attempt at designing and building ocean-going submarines, which at the time was a yawning gap in capability compared with other major navies...

 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 23 March 1914 by Fore River Shipbuilding Company 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 3 April 1915 sponsored by Mrs. Stephen A. Gardner, 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 4 May 1916 with Lieutenant (junior grade) Lewis Hancock, Jr.

Lewis Hancock, Jr.

Lewis Hancock, Jr. served in the United States Navy during World War I as a submariner. He later became a naval aviator...

, in command.

Service history

Assigned to the Atlantic Submarine Flotilla, L-4 operated along the Atlantic coast, assisting in the development of new techniques in undersea warfare until April 1917.

Following the declaration of war on the Central Powers

Central Powers

The Central Powers were one of the two warring factions in World War I , composed of the German Empire, the Austro-Hungarian Empire, the Ottoman Empire, and the Kingdom of Bulgaria...

, 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...

 dispatched submarines to Europe

Europe

Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...

an waters to protect the Allied shipping lanes. After a 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,...

, overhaul, L-4 departed 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...

, on 4 December and steamed for the Azores

Azores

The Archipelago of the Azores is composed of nine volcanic islands situated in the middle of the North Atlantic Ocean, and is located about west from Lisbon and about east from the east coast of North America. The islands, and their economic exclusion zone, form the Autonomous Region of the...

. She departed Ponta Delgada

Ponta Delgada

Ponta Delgada is a city and municipality on the island of São Miguel in the archipelago of the Azores, an autonomous region of Portugal. It includes 44,403 residents in the urban area, and approximately 20,113 inhabitants in the three central parishes that comprise the historical city: São Pedro,...

 on 19 January 1918, arriving for patrol operations at Berehaven, Ireland

Castletownbere

Castletownbere is a small town in County Cork in Ireland. It is located on the southwest coast of Ireland, in West Cork, on Berehaven harbour near the entrance to Bantry Bay. It is also known as Castletown Berehaven. The name of the town comes from the no longer extant MacCarty Castle, and not...

, on 27 January. While on patrol during April, L-4 twice encountered enemy U-boat

U-boat

U-boat is the anglicized version of the German word U-Boot , itself an abbreviation of Unterseeboot , and refers to military submarines operated by Germany, particularly in World War I and World War II...

s in British waters and chased them from the paths of friendly convoy

Convoy

A convoy is a group of vehicles, typically motor vehicles or ships, traveling together for mutual support and protection. Often, a convoy is organized with armed defensive support, though it may also be used in a non-military sense, for example when driving through remote areas.-Age of Sail:Naval...

s.

Based at Berehaven for the rest of the war, U.S. submarines protected Allied shipping from U-boat attacks. Following the Armistice with Germany

Armistice with Germany (Compiègne)

The armistice between the Allies and Germany was an agreement that ended the fighting in the First World War. It was signed in a railway carriage in Compiègne Forest on 11 November 1918 and marked a victory for the Allies and a complete defeat for Germany, although not technically a surrender...

, L-4 departed the Isle of Portland

Isle of Portland

The Isle of Portland is a limestone tied island, long by wide, in the English Channel. Portland is south of the resort of Weymouth, forming the southernmost point of the county of Dorset, England. A tombolo over which runs the A354 road connects it to Chesil Beach and the mainland. Portland and...

, England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

, on 3 January 1919 for the United States, arriving Philadelphia on 1 February.

For the next two years, the submarine operated along the East Coast performing experiments developing the tactics of undersea warfare. L-4 decommissioned at Philadelphia on 14 April 1922 and was sold to Pottstown Steel Company in Douglassville, Pennsylvania

Douglassville, Pennsylvania

Douglassville is a community in Amity, Union Townships, and Douglass Townships Berks County, Pennsylvania, United States. Douglassville is situated along U.S. Route 422. Developments include the Amity Gardens subdivision, the West Ridge subdivision, the Briarwood subdivision, and the subdivision...

, on 31 July 1922 for scrapping.