As the newly-commissioned USS Squalus submarine was sunk 240 feet below the waters near the New Hampshire and Maine coast ...

The US Navy recently conducted a tabletop submarine search-and-rescue exercise. Responders were trained to react to varied distress scenarios, some involving historical elements.

Here's What You Need to Know: This disaster pushed the U.S. Navy to try and prevent such a tragedy from happening again. In the United States Navy, submarines lost at sea are said to be on ...

The Loss of a Submarine On April 10, 1963, the single-worst submarine disaster in the history of the United States Navy occurred around 220 miles off the coast of Cape Cod, Massachusetts.

PORTLAND, Maine (AP) — The Navy began releasing documents from the investigation into the deadliest submarine disaster in U.S. history on Wednesday, but the Navy said the documents released ...

The Navy began releasing documents from the investigation into the deadliest submarine disaster in U. S. history on Wednesday, but the Navy said the documents released under a court order don't ...

It was the first nuclear submarine disaster, and to this day, has the highest death toll. Unlike with Scorpion, the U.S. Navy has reported exactly what caused Thresher to sink—poor quality control.

The release of about 3,000 pages of documents delving into the deadliest submarine disaster in U.S. history has not yielded any sinister effort to hide the truth, a retired Navy skipper says.

A US Navy nuclear-powered attack submarine stopped in Iceland for the first time on Wednesday. A top admiral told Business Insider the unprecedented port call sent a message to American foes.

Nuclear submarines are a key part of America's military forces, but we have still lost two of them over the years. Here's ...

In this July 9, 1960 handout file photo provided by the U.S. Navy, the nuclear-powered submarine USS Thresher is launched at the Portsmouth Naval Shipyard in Kittery, Maine.

The Navy began releasing documents from the investigation into the deadliest submarine disaster in U.S. history on Wednesday, but the Navy said the documents released under a court order don’… ...