Submarines have been used in warfare for centuries. Undersea warfare has come a long way since the first experimental ...

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 ...

Oct. 15 (UPI) --The Swedish military deployed fighter jets and a warship to shadow a Russian submarine after it entered the Baltic Sea on Tuesday and continues sailing toward a Russian port. The ...

Russian submarine RFS Volkhov (B-603), shown here, and a PLAN submarine sailed together for the first time in early August 2025 in the Sea of Japan. The Russian submarine was spotted Aug. 20, 2025, ...

Launching long range patrols from their home base in Scotland, the RAF’s P-8s have been visible via flight tracking websites like Flightradar24. They have been tracked heading north, along the coast ...

As adversaries target submarine cables, the United States’ weak repair capacity must be treated as a national security priority. Last month, submarine cables in the Red Sea were mysteriously severed, ...