British defences are shown at a high stage of readiness.
Full title reads: "Keeping Our Powder Dry".
GV Interior craft. Units of Anti-aircraft battery lined up waiting to go ashore. LV Towards spitfire flying overhead. SV In-board lorry trailing gun leaving craft. CU Two soldier looking on. MV Lorry towing gun through water. CU Away from camera lorry leaving landing craft. SV Army officers looking on. GV Battery making its way towards shore. SV Gun on tow. SV Gun on shore. Gunners preparing for action. CU Soldier undoing waterproof muzzle covering. GV Battery preparing for action. CU Two kids put hands to ears. LV Two guns firing. SV Gun layers manipulating handles of gun. CU soldier turning handle. LV Guns firing.
GV Tank manoeuvres. CU Senior army officers watching. SV Sherman Flail tank going through minefield. LV Vampire jet plane flying overhead. CU Bomb exploding on ground. GV Infantry advancing through minefield and over anti-tank ditch while tanks advance. CU Indian army officer in turban. LV Flame-throwing tanks advancing. SV Pan Churchill bridge tank going through minefield. MV Bridge tank lowering bridge. LV Churchill Crocodile Flame- throwing tanks in action. CU Officers from Foreign army watch. SV Tank crossing bridge.
Falfield, Gloucestershire. Demonstration at Civil Defence School.
VS of firemen and fire units arriving to put out burning buildings. VS of mock-up casualties being retrieved from wreckage.