Key Points and Summary: The U.S. Navy’s Columbia-class submarine program, the designated replacement for the aging Ohio-class ...

What You Need to Know: The U.S. Navy's four conventionally-armed Ohio-class submarines (SSGNs), converted from ballistic missile carriers, are nearing the end of their service lives. These vessels ...

The submarine USS Ohio, capable of carrying up to 154 Tomahawk cruise missiles, arrived in Brisbane, Australia, for a visit.

WASHINGTON, Aug 1 (Reuters) - U.S. President Donald Trump on Friday said he had ordered two nuclear submarines to be ...

The US is moving two nuclear submarines to strategic positions, in an apparent Cold War-era threat that followed former Russian president Dmitry Medvedev's response to his "dead economy" jibe.

The Ohio-class boats entered service in the 1980s as a replacement for five different classes of fleet ballistic-missile submarines, collectively known as the “41 for Freedom.” ...

Under the 2010 Nuclear Posture Review, the United States expects to maintain a total of 14 Ohio-class submarines, with two in repair at any given time. These days, each Ohio carries 20 missiles ...

The Ohio-class ballistic missile submarine USS Tennessee returns to Naval Submarine Base Kings Bay, Georgia, on February 6, 2013. - Reuters ...

Four of the U.S. Navy’s Ohio-class submarines were converted into guided-missile submarines to accommodate conventional land attacks, as well as Special Operations Forces platforms.