The R-class submarines were a class of 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...

 submarine

Submarine

A submarine is a watercraft capable of independent operation below the surface of the water. It differs from a submersible, which has more limited underwater capability...

s active from 1918 until 1945. The R-boats R-21 to R-27, built by Lake Torpedo Boat

Lake Torpedo Boat

The Lake Torpedo Boat Company of Bridgeport, Connecticut was an early maker of submarines for the U.S. Navy. Founded by Simon Lake in 1912, the firm competed with John Philip Holland's Electric Boat Company until financial difficulties led to the company's demise in 1924.-External links:**...

, slightly smaller and faster than the others, are sometimes regarded (by DANFS

Dictionary of American Naval Fighting Ships

The Dictionary of American Naval Fighting Ships is the official reference work for the basic facts about ships used by the United States Navy...

 for instance) as a separate class ("R-21 class") from R-1 to R-20 built by Fore River Shipyard

Fore River Shipyard

The Fore River Shipyard of Quincy, Massachusetts, more formally known as the Fore River Ship and Engine Building Company, was a shipyard in the United States from 1883 until 1986. Located on the Weymouth Fore River, the yard began operations in 1883 in Braintree, Massachusetts before being moved...

 and Union Iron Works

Union Iron Works

Union Iron Works, located in San Francisco, California, on the southeast waterfront, was a central business within the large industrial zone of Potrero Point, for four decades at the end of the nineteenth and beginning of the twentieth centuries.-History:...

 ("R-1 class").

Ships

- Commissioned 1918, scrapped 1946 - Commissioned 1919, scrapped 1945 - Commissioned 1919, scrapped 1948 - Commissioned 1919, scrapped 1946 - Commissioned 1919, scrapped 1946 - Commissioned 1919, scrapped 1946 - Commissioned 1919, scrapped 1946 - Commissioned 1919, sunk as target, 1936 - Commissioned 1919, scrapped 1946 - Commissioned 1919, scrapped 1946 - Commissioned 1919, scrapped 1946 - Commissioned 1919, lost June 1943 in a training accident off Key West

Key West, Florida

Key West is a city in Monroe County, Florida, United States. The city encompasses the island of Key West, the part of Stock Island north of U.S. 1 , Sigsbee Park , Fleming Key , and Sunset Key...

, Florida

Florida

Florida is a state in the southeastern United States, located on the nation's Atlantic and Gulf coasts. It is bordered to the west by the Gulf of Mexico, to the north by Alabama and Georgia and to the east by the Atlantic Ocean. With a population of 18,801,310 as measured by the 2010 census, it...

 - Commissioned 1919, scrapped 1946 - Commissioned 1919, scrapped 1945 - Commissioned 1919, scrapped 1946 - Commissioned 1919, scrapped 1946 - Commissioned 1918, scrapped 1945 - Commissioned 1918, scrapped 1946 - Commissioned 1918, transferred to United Kingdom

United Kingdom

The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

May 1942, lost in collision June 1942 - Commissioned 1919, scrapped 1946 - Commissioned 1919, scrapped 1930 - Commissioned 1919, scrapped 1930 - Commissioned 1919, scrapped 1930 - Commissioned 1919, scrapped 1930 - Commissioned 1919, scrapped 1930 - Commissioned 1919, scrapped 1930 - Commissioned 1919, scrapped 1930

External links