The Navy’s fleet of Ohio-class boats represents the largest submarines ever constructed for the service. Last month, one of the Navy’s four guided-missile nuclear submarines made an appearance in ...

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. The ...

Although all of the US Navy’s nuclear submarines have virtually unlimited range, the crews still need to be fed, and the submarines periodically need to undergo maintenance. To ensure that the boats ...

The Columbia-class submarine outstrips its predecessor, the Ohio class, in many ways—but falls short in one conspicuous one.

At about 5 p.m. Eastern Standard Time on June 21, a U.S. Navy nuclear-powered submarine launched over two dozen Tomahawk land attack cruise missiles into Iran, striking targeted infrastructure sites ...

Last month, the Navy conducted four scheduled test launches of unarmed Trident II D5 missiles from an Ohio-class submarine off Florida’s east coast. Some observers read the timing as quiet signaling ...

The Navy’s fleet of Ohio-class boats represents the largest submarines ever constructed for the service. The Ohio-class SSGNs are capable of carrying 154 Tomahawk land attack missiles (TLAMs) in ...