Operation Bubble
'Bubble' was a British unrealised naval plan to lay beach mines on the coast of the UK in the event that a German invasion seemed imminent (June/December 1940).
Basic overview
Start date: 31 May 1940
End date: 30 November 1940
Scope: Minor
Nature: Land, Minelaying
Status: Projected
End date: 30 November 1940
Scope: Minor
Nature: Land, Minelaying
Status: Projected