Britain's coast guard troops on the alert in 1940.
Unused / unissued material - dates and locations unclear or unknown.
Various shots of the air raid spotters at the alert. Men with binoculars looking across the sea. They have their guns and other equipment ready. Various shots of the coastal gun crew clearing their guns - these look like the antiaircraft guns. C/U ensign flying. Various shots of the coastal pillboxes on the alert.