The Vanguard-class submarines were developed in the 1960s as part of the UK's Trident nuclear program, which aimed to replace the aging Resolution-class submarines and their Polaris missiles.

The U.S. Department of Defense on Tuesday awarded more than $18 billion in contract modifications to General Dynamics ...

Read about the contract modification the Navy awarded to General Dynamics Electric Boat and Huntington Ingalls Inc.

The contract is for long lead-time materials related to the Virginia-class Block VI submarine. Virginia-class submarines are designed from the keel up for the full range of 21st-century mission ...