Mrs Harold Wilson launches 'Warspite', Britain's third atomic submarine at Barrow-in-Furness, Cumbria.
M/S's crowds walking towards camera under umbrellas to attend the launching of 'Warspite'. Various shots of the submarine on the slipway. C/U water running off the hull. M/S officials arriving for the launching. M/S submarine. M/S Mrs Wilson arriving and being presented with bouquet. C/U Mrs Wilson. C/U Sea Cadet. M/S as Mayor arrives and takes off plastic mac. M/S 'Warspite' on the slipway. M/S people with umbrellas. M/S Mrs Wilson and officials on the launching platform. C/U of the bottle of Commonwealth wine. L/S as Mrs. Wilson pulls a lever and the bottle smashes on the hull of Warspite. C/U dock worker. M/S 'Warspite' sliding down slipway into the water.