U.S. Navy
Submarines
From the coal-fired USS Holland to the nuclear-powered leviathans of the Virginia-class and Columbia-class, explore more than a century of American undersea dominance. Trace the evolution from diesel-electric fleet boats that choked off Japan's lifelines in World War II to today's stealth-driven fast attacks and ballistic missile submarines that form the silent backbone of the U.S. strategic deterrent.
World War II
1941 – 1945
WWII
SS-212 – SS-284
77
Boats
1941
Commissioned
D/E
Propulsion
2,424
TONS
Armed with ten 21-inch torpedo tubes, Gato boats sank more Japanese tonnage than any other submarine class — strangling supply lines and turning the Pacific war beneath the surface.
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WWII
SS-285 – SS-416
120
Boats
1943
Commissioned
D/E
Propulsion
2,415
TONS
Built with high-tensile steel that pushed test depth to 400 feet, the Balao-class picked up where the Gatos left off — accounting for the heaviest concentration of enemy sinkings in the war's final two years.
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WWII
SS-417 – SS-525
29
Boats
1944
Commissioned
D/E
Propulsion
2,415
TONS
The final fleet boat design of WWII, most Tench boats arrived too late to see combat but became the backbone of the Cold War submarine fleet through the GUPPY modernization program.
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Cold War — Diesel
1946 – 1959
COLD WAR
SS-563 – SS-568
6
Boats
1951
Commissioned
D/E
Propulsion
2,260
TONS
First post-war submarine design incorporating German Type XXI technology — faster, quieter, and deeper-diving than anything the U.S. Navy had fielded before.
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COLD WAR
SS-580 – SS-582
3
Boats
1959
Commissioned
D/E
Propulsion
2,894
TONS
The last diesel-electric combat submarines ever built by the United States Navy. Their Albacore-derived teardrop hull became the template for every American submarine that followed.
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Cold War — Nuclear Attack
1954 – 1975
COLD WAR
SSN-571
1
Boat
1954
Commissioned
Nuclear
Propulsion
4,092
TONS
"Underway on nuclear power." The first nuclear-powered submarine in history. In 1958 she made the first submerged transit of the North Pole, signaling USS NAUTILUS — NINETY NORTH.
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COLD WAR
SSN-578 – SSN-584
4
Boats
1957
Commissioned
Nuclear
Propulsion
2,861
TONS
First production nuclear submarines and first to surface through Arctic ice at the North Pole. Proved nuclear boats could operate under the polar cap — a critical Cold War advantage.
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COLD WAR
SSN-585 – SSN-592
6
Boats
1959
Commissioned
Nuclear
Propulsion
3,513
TONS
First class to marry nuclear power with the revolutionary Albacore teardrop hull. The fastest submarines in the U.S. fleet for over a decade — their speed records remained classified for years.
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COLD WAR
SSN-593 – SSN-615
14
Boats
1961
Commissioned
Nuclear
Propulsion
4,311
TONS
Designed for deep-ocean ASW with the bow-mounted BQQ-2 sonar. USS Thresher was lost April 10, 1963 during deep-dive testing — 129 souls — triggering the SUBSAFE program that still governs submarine construction today.
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COLD WAR
SSN-637 – SSN-687
37
Boats
1967
Commissioned
Nuclear
Propulsion
4,762
TONS
The workhorse of Cold War undersea espionage. Sturgeon boats conducted the most sensitive intelligence missions of the era — trailing Soviet boomers, tapping undersea cables, and operating under the Arctic ice for months at a time.
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Cold War — Ballistic Missile
1959 – 1967
SSBN
SSBN-598 – SSBN-602
5
Boats
1959
Commissioned
Nuclear
Propulsion
6,888
TONS
America's first ballistic missile submarines. Each carried 16 Polaris A-1 missiles capable of striking the Soviet homeland from beneath the ocean — creating the undersea leg of the nuclear triad overnight.
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SSBN
SSBN-608 – SSBN-611
5
Boats
1961
Commissioned
Nuclear
Propulsion
7,880
TONS
The first SSBNs designed from the keel up as missile boats. Ethan Allen herself conducted the only complete test of a U.S. nuclear weapon delivered by submarine-launched ballistic missile — Operation Frigate Bird, 1962.
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SSBN
SSBN-616 – SSBN-625
9
Boats
1963
Commissioned
Nuclear
Propulsion
8,250
TONS
Part of the "41 for Freedom" fleet that held Soviet cities at risk around the clock. Larger and quieter than their predecessors, they carried the deterrent mission through the most dangerous years of the Cold War.
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SSBN
SSBN-627 – SSBN-636
10
Boats
1964
Commissioned
Nuclear
Propulsion
8,250
TONS
Upgraded Lafayettes built to carry the Poseidon C-3 missile with multiple independently-targetable reentry vehicles — MIRVs — multiplying the number of warheads each boat could deliver by a factor of ten.
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SSBN
SSBN-640 – SSBN-659
12
Boats
1965
Commissioned
Nuclear
Propulsion
8,250
TONS
The final boats of the 41 for Freedom program. Quieter machinery and improved electronics made them the most survivable boomers of their generation. Several were later retrofitted with Trident I C-4 missiles.
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Late Cold War
1976 – 1997
SSN
SSN-688 – SSN-773
62
Boats
1976
Commissioned
Nuclear
Propulsion
6,927
TONS
The most numerous nuclear submarine class ever built. For three decades, 688s were the Navy's primary fast attack platform — hunting Soviet subs, launching Tomahawks in Desert Storm, and conducting special operations from the Arctic to the Persian Gulf.
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SSBN / SSGN
SSBN-726 – SSBN-743
18
Boats
1981
Commissioned
Nuclear
Propulsion
18,750
TONS
The largest submarines ever constructed by the United States. Each boomer carries 20 Trident II D-5 missiles — a single boat can hold an entire nation's worth of targets at risk. Four have been converted to guided-missile submarines carrying 154 Tomahawk cruise missiles each.
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Modern Era
1997 – Present
SSN
SSN-21 – SSN-23
3
Boats
1997
Commissioned
Nuclear
Propulsion
12,158
TONS
The most capable and expensive attack submarines ever built. Designed to hunt Soviet Typhoon and Akula-class boats in deep water, only three were completed before costs forced a pivot to Virginia. USS Jimmy Carter carries a classified ocean interface hull section for special missions.
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SSN
SSN-774+
23+
Boats
2004
Commissioned
Nuclear
Propulsion
7,900
TONS
The current-production fast attack submarine, designed from day one for both blue-water dominance and littoral warfare. Block V boats add the Virginia Payload Module — an 84-foot hull section carrying 28 additional Tomahawk missiles — tripling strike capacity.
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SSBN
SSBN-826+
12
Planned
2031
First Delivery
Nuclear
Propulsion
20,810
TONS
The Ohio replacement. Columbia-class boats will carry the sea-based nuclear deterrent through 2085, featuring a life-of-ship reactor that never needs refueling and the most advanced stealth technology ever put to sea. USS District of Columbia is under construction now.
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20
Classes
411+
Submarines Built
122
Years of Service
3
Triad Generations