Shots of Sabre jets taxiing to and fro past camera, of jets taxiing away from camera. Shot of pilot and mechanic rushing for their aircraft during scramble. LAS of pilot in cockpit. Various shots of Sabre jets, of CF-100's, of Dakota landing, taking off. MS of squadron sign "427 Squadron - Lions". Various shots of jets on tarmac, taxiing, of mechanics working on planes. HASs of four Sabre jets airborne over clouds, of profile of Sabre jets. TRAVELLING MCS of T-33 jet taxiing, taking off, retracting its wheels. Various CUs of pilot during scramble, of his hands buckling his parachute, of his foot in step at side of fuselage, of his face as he adjusts his parachute. Longer shot of same, of mechanic assisting pilot, of pilot in cockpit strapping himself in, donning helmet, closing canopy, of mechanic minding booster as jet engine starts. GROUND TO AIR SHOTS of Sabre jets flying low in pairs, coming in on their landing approach. Interior shots of operations showing large transparent map, of pilots playing games, scrambling at signal, of various airmen at desks, answering telephone.