Full title reads: "Naval Intelligence".
Very good shots of large convoy of merchant ships steaming across calm sea with British destroyer escort, good shots showing the long lines of ships in an Atlantic convoy and the destroyer escort steaming past, also shots of seaman on the merchant ships...
Submarine staff use special tank in "escape tower" for training.
Men of the Royal Navy do marching demonstration at Portsmouth Barracks.
Keel for the new cruiser laid at Walker Naval Yard - securing the 2,000 jobs.
Royal Navy returns to unidentified UK port after successful mission.
Parade of Chilean Naval cadets.
British Royal Naval Ensign flag fluttering in the breeze.
The wonderfully decorated ceiling of the Royal Naval College at Greenwich, London.
Members of the French navy on parade.