Shots of navy men carrying supplies. Shots of ships at pier in harbour. Shots of welders at work on ship in construction. MS of new ship sliding off skids into water. Shots of men at work on ship, painting, welding, hammering, including LAS of worker sitting astride ship's part being hoisted up by crane. TRAVELLING SHOTs across faces of civilian and navy men, past cadets in navy school, learning handling of guns, across sign bearing military slogan, past navy cadets at desks in school to cadets handling large torpedoes. CS of teacher talking in front of blackboard. MS of navy men training on device looking like torpedo launcher.