The United States has deployed a nuclear-powered submarine, armed with over 100 long-range missiles, to the Western Pacific Ocean amid China's rapid naval fleet expansion.

It was the first armed air escort exercise employing helicopters, the U.S. Navy Submarine Group 9, which exercises administrative control authority for assigned submarine commands and units in the ...

Shown here before being modified for hypersonic missiles, USS Zumwalt is set to be the first US Navy sea-based platform for the weapons. (Janes/Michael Fabey) The US Navy (USN) conducted the first ...