The USS Scorpion, a nuclear-powered U.S. Navy submarine, mysteriously sank on May 22, 1968, killing all 99 crew members.

Dark Seas USS Squalus Submarine Disaster Posted: March 24, 2025 | Last updated: March 24, 2025 In May 1939, the USS Squalus sank during a test dive off the New England coast, trapping 33 men 240 ...

The tragedy that would become the infamous USS Thresher incident began on April 30, 1961, when the submarine went underway to initiate sea trials from the Portsmouth Naval Shipyard in Maine.

The USS Iowa (SSN 797) was commissioned in a ceremony on Saturday at Naval Submarine Base New London in Groton, Conn. It is the Navy’s first submarine to be named after the state of Iowa.

Commissioned in 1954, the USS Nautilus was the world's first nuclear-powered submarine. It was the first ship to visit the North Pole and participated in the Cuban missile crisis blockade.

Sailors attached to the fast-attack submarine USS Iowa man their newly commissioned submarine during a ceremony in Groton, Connecticut, April 5, 2025. Photo by Chief Petty Officer Joshua Karsten.

The US Navy's oldest active submarine — the missile-packed USS Ohio — is back in action for unrestricted ops in the Pacific ...