Full title reads: "DEFENCE BY FIRE".
This film deals with the various methods used by the Petroleum Warfare Board to prevent the German invasion on the British Isles.
Shots are mainly big fires on the sea coasts of Great Britain with huge palls of black...
Defence Minister Oscar Kramer takes the salute at a march past of LDF and LSS in Arklow.
First pictures of British antiaircraft rocket guns in action by day and night.
Civil Defence troops demonstrate rescue methods and emergency feeding at their rally.
Sailors learn how to carry out damage control at naval defence school on H.M.S. "Phoenix".
Civil defence workers rescue survivors from Tuffon St. Fire Station after V1 attack.
Royal Canadian Air Force Ground Defence School on exercise at Camp Boden, Ontario.
Sir David Maxwell Fyfe, Home Secretary, urges people to join civil defence.