8 reels of naval footage - some newsreel items, some unedited material.
World War Two. Warships fire guns. Shot of deck of ship where men operate guns. Ship on the horizon fires its guns. C/U of ends of guns. Aircraft flies overhead. Scottish regiment load shells into guns. Many more shots of loading and firing of guns and planes flying past.
Officer looks through binoculars. Slow motion footage of the guns firing. Deck of large battleship. Shots of the churned up water. A sea plane takes off. Air to air shots. Men stand on the decks of a ship. A submarine dives down. Large battleship with many men on board. Submarine submerges. Seaplane goes nose downwards towards the sea.