North Korea, submarine

A nuclear-powered Chinese war vessel could scupper US military invention if Beijing invaded Taiwan, an expert suggested.
A haunting letter was once found on board a Russian nuclear submarine which had sank and claimed the lives of 118 crew ...
The United States Navy is a force that stays ahead of the curve in tech. As such, you can expect the latest ships to roll out ...
China's latest innovation can track the quietest vessels and submarines using the magnetic fields generated by their wakes.
Jin-class strategic submarine could threaten US territory from the contested waterway, but its flaw may make it easy to track ...
The Chinese Type 093B is classified by the U.S. military as a guided-missile nuclear-powered attack submarine.