The Soviet’s Project 705 Lira-class became the first submarine to feature titanium on its hull. This revolutionary approach paved the way for future USSR vessels to be constructed similarly.

BALTIMORE, Md. — The newest Navy submarine will take its name from the city that gave the U.S. the Star-Spangled… ...

A long-awaited investigation into sexual harassment and abuse on board the UK's nuclear-armed submarines found "intolerable" behaviour - and it said more needs to be done despite the Royal Navy's ...

Narco-submarines, the clandestine vessels used by drug traffickers, represent one of the most sophisticated and elusive methods of smuggling drugs across international waters.