The Royal Navy's HMS Queen Elizabeth tracked down and chased a Chinese spy submarine, new footage has revealed.
The ship, which can carry up to 40 aircrafts, is the largest and most powerful vessel ever constructed for the Royal Navy and also boasts state-of-the-art weaponry.
Two-minute-long footage shows how naval officers worryingly discover a foreign vessel using state of the art sonobuoys — small sonar systems that are ejected from ships into the water to pick up engine and propeller sounds from submarines.
