Paperwork reads - 'War on U-boats - British and French sea forces' vigilant activity, submarine sighted and attacked'.
Tracking shot of ships. MS of several sailors on deck turning large heavy torpedo gun (?).
LS airship flying over water. Tracking shot low over water; with top of...
New London, Connecticut - the repaired "Deutschland" preparing to dash back to Germany
First American liner armed for defence against German submarine warfare crosses Atlantic.
British Examine Captured U-boat. Great Yarmouth, England.
Italians with captured U-boats.
U-boat on post-war tour of England.
Footage of aeroplanes and naval ships combining to sink submarine.
Great shots of a U-boat beached at Hastings after a gale.