Royal Canadian Air Force men taking commando training: MS of class of men in gym trunks sparring with partner in outdoor gym class, lying on their backs, doing "bicycle" exercises with their legs, wrestling on grass. Instructor walks about viewing combatants. MS, LMS view of two Royal Canadian Air Force "Commandos" as they crawl along rope stretched from one tree to another. MS of class of "Commandos" racing across open field towards grass fire in foreground. They leap over fire and past the camera. MCS, PAN right of squadron of air cadets marching along street in downtown Sherbrooke, Quebec.