The US Navy's oldest submarine still in active service has returned to the fleet after three years of maintenance. The USS Ohio finished major repairs last month and is now certified for unrestricted ...

The U.S. Navy’s critical Columbia-class ballistic missile submarine program is facing significant delays and cost overruns.

US President Donald Trump said Friday he was ordering two US Navy nuclear submarines to “appropriate regions,” in response to remarks by Dmitry Medvedev, Russia’s former president and current deputy ...

After trading barbs online with former Russian leader Dmitri A. Medvedev, President Donald Trump has ordered nuclear submarines to be positioned in “the appropriate regions” near Russia “just in case.

PHILADELPHIA (WPVI) -- President Trump announced an agreement with South Korea to build a nuclear-powered submarine in ...

WASHINGTON -- President Donald Trump said on Friday he's ordered two nuclear submarines to move in the "appropriate regions" in response to what he called "highly provocative statements" from the ...

The Pentagon’s former top AUKUS adviser has urged Anthony Albanese to appoint a special tsar to drive forward the pact.

Six Russian tourists were killed on Thursday after a viewing submarine sank near the Egyptian resort city of Hurghada, according to the local governor. Maj. Gen. Amr Hanafy confirmed the deaths in an ...

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 ...