Sequence on diving competition showing children playing on beach, swimming, PAN to spectators watching from river bank. HAMS of spectators in rowboats and canoes watching. Several shots of competitors (men) diving from tower. HALSs of Navy Cadets marching to parade square, of cadets doing callisthenics on parade square. MS of three navy cadets and civilians, sitting on grass, watching. HALSs of cadets marching in orderly fashion on parade ground. Sequence on submarine moving up river, submerging, surfacing, firing gun.