The contract modification will bolster Electric Boat's work on a new generation of ballistic-missile submarines.

The U.S. Navy has awarded General Dynamics Electric Boat, or GDEB, a $15.38 billion contract modification to support continued work on the Columbia-class ballistic missile submarine program. The ...

Why can a submarine with no reactor, limited speed, and a modest weapons load still create outsized problems for fleets built ...

GD lands a $15.38B Navy contract to support Columbia-class submarines, strengthening its role in a growing global submarine market.

Add Yahoo as a preferred source to see more of our stories on Google. Chad Guillerault, commanding officer of the future USS Idaho, right, receives the ceremonial key to the new submarine from General ...

Add Yahoo as a preferred source to see more of our stories on Google. General Dynamics Electric Boat officials, U.S. Navy officials and other guests gather at a christening ceremony for the Utah ...

Diesel-electric submarines like the Taigei class offer Japan a fearsome weapon against China—at a fraction of the cost of cutting-edge American ones.

The most dangerous submarine in the Strait of Hormuz is not necessarily the biggest one. In confined water, size can become a liability. The Strait compresses traffic into narrow lanes, packs the ...

Submarines have quietly become some of the most powerful weapons in modern naval warfare.

Inside a diesel engine's cylinder, compressed air raises the temperature to ignite injected fuel, and the resulting force drives pistons to power the vehicle's main gears. Chief to this combustion ...