A British naval supply ship with an on-board helicopter was deployed to track the stealthy Kilo-class submarine Krasnodar, the Royal Navy said.

MOSCOW has rushed out carefully framed footage of a £300million submarine, insisting it survived a world-first Ukrainian underwater drone attack unscathed. Yet the video avoided showing the

Russia’s Kilo-class submarines may be Cold War designs, but they remain at the core of Moscow’s conventional undersea fleet. -Nicknamed “Black Holes” for their extreme quietness, modern Project 636.6 Improved Kilos combine diesel-electric stealth with long-range Kalibr cruise missiles,