A quiet Swedish submarine embarrassed the U.S. Navy's most formidable ship - and revealed why old-school diesel power still ...

One of the nation’s Cold War nuclear submarines is now emerging and taking shape as a partially re-assembled, $9.5 million ...

HMS Agamemnon, the UK's newest attack submarine, has completed its first underwater test at BAE Systems’ shipyard at ...

The US Navy has embarked on the monumental task of constructing a mammoth 20,800-ton submarine, a potential survivable element of the US nuclear triad. This significant step marks a new chapter in the ...

Infrastructure work to support rotations of U.S. and British nuclear-powered submarines began last month at a naval base in Western Australia, according to that nation’s defense department. HMAS ...