French naval spring manoeuvres show warships, aircraft and submarines in action.
Titles read: "FRENCH NAVAL MANOEUVRES".
Various shots of French warships moving out to sea from different areas of the French coast in spring manoeuvres. Sailors and officers are seen on deck and on the bridge; the warship guns fire shells. Aircraft fly overhead; submarines submerge and we see several shots on board. The sub dives to avoid a depth charge. More shots of warship guns firing.
Note: brief sections of film are missing from this story.