The U.S. Navy has relied on submarines as an important part of its naval power since the invention of the Turtle, the first military sub, in 1775. Over the years, submarine technology improved ...

The 377-foot vessel can dive to depths of more than 800 feet below the surface and maneuver at speeds of over 25 knots.

Cotton, chief of US Strategic ... it was about the Navy. Build the Columbia-class in Greater Numbers? Cotton said, "The Navy's new Columbia-class ballistic missile submarine also likely needs ...

man their newly commissioned submarine during a ceremony in Groton, Conn., April 5, 2025. US Navy Photo USS Iowa (SSN-797), the 24th submarine of the Virginia-class, was commissioned at Naval ...

Shipbuilders have not been able to reach the production rates necessary for Virginia-class submarines such as New Jersey , pictured here. (Janes/Michael Fabey) The US Navy (USN) is facing delivery ...