Canadian army invasion drill: MLS of destroyer laying thick smoke screen. Cut to several ships doing likewise. Three Bolinbroke bombers fly towards and over the camera at low altitude - landing crafts are visible in distant background. Cut to side view of same aircraft, landing crafts in background. Side view of Westland Lysander laying smoke screen at hedge-hopping altitude over beach. Smoke engulfs beach in front of camera. Clearing smoke reveals landing in progress. Cut to beachhead, wooded banks beyond, much smoke.