Royal Canadian Air Forces Activities at Trenton (00/00/1939): shots of group of National Defence officials inspecting Bolingbroke bomber and Westland Lysander. HAS of Anson, Havard and Hurricane airplanes on runway. Long sequence showing various shots of Wings Parade, of Boulton Paul Defiant trainer aircrafts on field, of crew beside Defiant, Defiant taxiing, of three Avro Ansons airborne, of crew around Bolinbroke bomber, Bolinbroke warming up, taxiing.