War on U-boats by British and French sea forces.
Disaster of a luxury liner Lusitania - 1915.
Sailors get their traditional rum rations for the holidays.
Close up shot of Admiral David Beatty.
Propaganda film to boost morale of British shipbuilders during WW1.
Winston Churchill boards a boat while First Lord of the Admiralty.
Crowds gather to hear President Wilson's reply to Germany's invasion of America's rights
Footage of Royal Navy warships at sea.