Submarine Classes

Harbor Defense, Coastal Defense, and Concept Development Submarines

What the U.S. Navy wanted in a submarine changed rapidly and often during the 1900-1933 years. These boats filled several different roles while the Navy developed and refined the strategic and tactical concepts of submarine operations. All of these boats contributed something to this effort, although not all were successful.

In the period covered by PigBoats.COM, the U.S. Navy changed the convention that they used for naming and designating their submarines several times. Because of this, many of the pigboats have had more than one name, potentially leading to confusion. We have done our best to sort out this potentially bewildering situation, and we highly recommend that you read through the short article at this link.

Holland	A-class	B-class	C-class	D-class	E-class	F-class	G-class
H-class	K-class	L-class	M-class	N-class	O-class	R-class	S-class
			T-class	V-class

Later Fleet Submarine Classes

By 1933 the Navy had benefited from rapidly improving technology and in its own refinement of submarine operational doctrine. The result was the Fleet Submarine era, a fortuitous convergence of events that would greatly contribute to eventual victory in World War II.

Porpoise Class	Salmon/Sargo Class	Tambor/Gar Class	Mackerel Class

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