The United States Navy's sixteen O-class coastal patrol submarines were built during World War I and served the USN from 1918 through the end of World...

USS O-12 (SS-73) was an O-class submarine of the United States Navy. These later O-boats, O-11 through O-16, were designed by Lake Torpedo Boat to different...

Virginia class, or the SSN-774 class, is the newest class of nuclear-powered cruise missile fast attack submarines in service with the United States Navy...

The R-class submarines were a class of United States Navy coastal-defense submarines active from 1918 until 1945. With the first of the class laid down...

The United States' S-class submarines, often simply called S-boats (sometimes "Sugar" boats, after the then-contemporary Navy phonetic alphabet for "S")...

The United States N-class submarines were a class of seven coastal defense submarines built for the United States Navy during World War I. The N-class boats...

Submarines of the United States Navy are built in classes, using a single design for a number of boats. Minor variations occur as improvements are incorporated...

Balao class was a design of United States Navy submarine used during World War II, and with 120 boats completed, the largest class of submarines in the...

O-class submarine may refer to: United States O-class submarine Oberon-class submarine Odin-class submarine Several early submarine classes of the Royal...

The C-class submarines were five United States Navy submarines built by the Fore River Shipbuilding Company in Quincy, Massachusetts, under a subcontract...