Royal Naval warship fires her big guns while at sea off Invergordon.
Full title reads: "Off Invergordon. The Big Guns Roar making majestic spectacle of Britain's sea power."
Off Invergordon, Scotland.
Rear view of large British Royal Navy warship. MS of sailor calling out range for guns - he is wearing radio headphones.
The ship fires one of her large guns. Shot of guns firing from on board. Shots of guns firing from view of following ship.
Range setter calls out again.
More shells are fired by onboard artillery.