Summary and 4 Points You Need to Know: The U.S. Navy’s Columbia-class submarines, designed to replace the aging Ohio-class vessels and maintain America’s sea-based nuclear deterrent ...

U.S. Secretary of the Navy Carlos Del Toro announced Monday the third Columbia-class ballistic-missile submarine will be named for Groton, home of the Naval Submarine Base and Electric Boat ...

The Columbia-class submarines are widely considered to be among the Department of Defense’s highest priorities as they are designed to replace the existing Ohio-class submarines that will be ...

The Columbia-class submarines are widely considered to be among the Department of Defense’s highest priorities as they are designed to replace the existing Ohio-class submarines that will be ...