A Russian submarine was discovered escorting the Yantar while it examined a gas pipeline running between Britain and Ireland ...

THE Royal Navy is testing a fleet of drones to patrol seas for Russian submarines. And they could also be used to form a ...

From gigantic submarines lurking in the depths of British waters to mysterious drones probing our allies airports, there is ...

Britain needs to urgently upgrade its defence capability including investing in anti-submarine warfare in the face of increasing Russian aggression in the North Atlantic, senior military figures and ...

As it tried to demonstrate its continuing ability to fight, Ukraine said it had used drones to inflict serious damage on a Russian Kilo-class submarine at a Black Sea port. By Maria Varenikova ...

A Ukrainian drone attack in Russia's Belgorod Oblast killed one person and injured three others, Governor Vyacheslav Gladkov ...