Inside the Navy's new £1billion supersub: Deadly Hunter Killer submarine is capable of hearing a ship leaving port in New York... whilst sat underwater in the English channel



One of the world's most sophisticated and powerful nuclear submarines



Carries dozens of cruise missiles capable of hitting targets 1,200 miles away

Her sonar can detect vessels moving on the other side of the ocean

Powerful nuclear reactor allows her to cruise non-stop for 25 years

HMS Ambush is so hi-tech the giant submarine doesn't even need a periscope


She cost around £1billion to build, has sonar so sensitive it can hear other vessels 3,000 miles away and carries a giant payload of 38 deadly Tomahawk cruise missiles.

HMS Ambush, the Royal Navy's newest nuclear attack submarine, is one of the most sophisticated and powerful vessels of her type ever built.

The giant Astute-class sub, which was launched today, is so hi-tech she doesn't even need a periscope.

Scroll down to watch the submarine's weapons being tested...

