President Donald Trump said on Monday that the US has a nuclear submarine parked somewhere near Russia after Moscow touted the successful test of a new nuclear-powered cruise missile with an unlimited ...

President Donald Trump warned Russian President Vladimir Putin in response to recent missile tests, reminding him that the U.S. has a nuclear submarine stationed "right off their shores." Trump made ...

Russia’s “Harmony” project is the latest salvo in the battle between underwater access and anti-access efforts. The United States will need new innovations of its own to fight back.

Russia’s Khabarovsk submarine is broadly similar to an existing Borei-class submarine, but was built specifically to launch the advanced Poseidon nuclear torpedo.

The Russian Navy depends heavily on its submarine fleet, including its advanced Yasen-M class boats, to protect sea lanes and demonstrate power projection capabilities. The Black Sea Fleet gained six ...

Sweden's armed forces said Wednesday they were following a Russian submarine that entered the Baltic Sea a day earlier, amid mounting tensions in the region. "A Russian submarine entered the Baltic ...