Key Points and Summary - Four converted Ohio-class SSGNs—Ohio, Michigan, Florida, and Georgia—retire between 2026–2028, removing up to 616 undersea Tomahawk cells and unmatched support for covert ...

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 ...

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

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 ...

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 ...