Key Points and Summary – The US Navy’s four Ohio-class guided-missile submarines (SSGNs), including the USS Georgia, are slated for retirement by 2028, a move that will create a significant ...

Four Ohio-class submarines were modified into guided-missile submarines, enabling them to launch conventional land attacks and support Special Forces operations.

A single U.S. Navy submarine launched over two dozen Tomahawk land attack cruise missiles into Iran, striking a nuclear facility at Isfahan.

The model of the USS District of Columbia celebrates the first of 12 Columbia-class ballistic missile submarines. The class, which is set to replace the Ohio class submarines, is designed for stealth.

The US Navy's oldest active submarine is back for operations in the Pacific after a three-year maintenance period. The USS Ohio is a first-in-class nuclear-powered guided-missile submarine.

GD's unit secures a contract to provide materials for the USS Ohio Class Drydock Seismic Stability System.

How Sweden’s Stirling-Powered Gotland-Class Sub Outmaneuvered the USS Ronald Reagan The Gotland-class is a diesel-electric submarine built between 1992 and 1996 for the Swedish Navy.

Summary: The Columbia-class ballistic missile submarines (SSBN) are set to replace the aging Ohio-class, ensuring the U.S. Navy maintains its sea-based nuclear deterrent into the 2080s.

A nuclear reactor powers Ohio-class subs via two geared turbines, and they carry an auxiliary diesel engine. Ohio-class subs can travel at 14 mph on the surface and around 23 mph while submerged.

An Ohio-class submarine was used Thursday night as part of large scale retaliatory strikes against sites in Yemen on Thursday.