Note: As this documentary has no sound track, and at the point of cataloguing no paper work, it is impossible for this cataloguer to identify the different class of ships. All ships with big guns will be identified as "Battleships" until more accurate information is available.
Battle ship travelling with sea washing over the bow. Depth charge explodes stern. The ship fires artillery. Fighter plane approaches low. Manned anti aircraft guns fire at plane. Man fires hand held machine gun. CU anti aircraft guns, rapid fire.
This mock training battle continues with much shooting, explosions in the water, plane attacks and injured men. Anti Submarine torpedoes fired from the deck. M.T. Boat at high speed. Fleet of ships on the horizon. Submarine on the surface. Aircraft carrier with line of helicopters leaving the ship. M.T.B. from the air. One battleship seen from the deck of another, Union Jack flying.
Many more shots of Battle ships in line, and manoeuvring at high speed. Ship to Ship shots. One of the Battleships identified "Cambia". Observing the exercise is the Royal Yacht Britannia, seen from passing Battleship. Flags are raised. CU firing and launching torpedoes. Bridge communications. Command room below decks with periscope (sub?). More shots on the bridge. Marines present arms on deck as Britannia passes.
Produced for the Admiralty by Associated British-Pathe