Add Yahoo as a preferred source to see more of our stories on Google. Ukraine said Monday that it carried out an underwater drone attack on a Russian submarine in port. New satellite imagery shows ...

The Ukrainian experience using naval drones to defeat the Russian Black Sea Fleet was unique. Ukraine had only surface-to-ship missiles when the war started, but eventually shifted to three new naval ...

A Russian submarine was deployed alongside a spy ship to map critical undersea infrastructure around Britain, it has emerged. An anti-submarine Merlin Mk2 helicopter could be seen from the photo ...

(CNN) — Ukraine’s domestic security service, the SBU, said Monday that it had carried out an attack on a Russian submarine in the Black Sea port of Novorossiysk, causing critical damage to the vessel ...

Trump’s claims of Chinese and Russian military submarines and destroyers near Greenland may be incorrect, but both countries ...