Two American fast-attack submarines, armed with cruise missiles and torpedoes, visited Guam earlier this month.

Five years ago, for instance, it started building a new class of ballistic missile submarines called Columbia, the perceived replacement for the aging Ohio class. The U.S. Navy plans a fleet of 12 ...

A U.S. nuclear-powered submarine arrived at a major southeastern naval base in Korea on Monday to replenish supplies and ...

The U.S. Navy awarded Lockheed Martin a $383 million contract to develop the Trident II D5 Life Extension 2 (D5LE2) ballistic missile system.

“It’s only fitting the U.S. Navy is naming our next Columbia-class submarine ... of its next submarine is welcome news,” he said. “Groton is the birthplace of the modern nuclear-powered ...

LMT secures a $23.5 million contract to provide engineering support for submarine electronic warfare systems on newly ...

The Columbia-class submarines provide the U.S. Navy with underwater stealth launch platforms for ballistic missiles containing nuclear warheads and are expected to enter service by 2031.

A Cold War nuclear missile will remain in service for a total of 94 years thanks to a US$383 million US Navy contract, with Lockheed Martin to modernize the submarine-launched Trident II missile and ...