News stories about developments in Canadian and U.S. armed forces.
Title reads: "Newsbriefs".
United States of America (USA) and Canada.
Flying boat "Mars": Various shots of American sailors loading boxes into new flying boat "Mars". This is the biggest aircraft in the world of its kind. L/S of "Mars" taking off from sea. L/S of "Mars" in flight. Various shots of interior of plane - the control room, passengers chatting.
Big U.S. Guns: Various shots of new American 240 mm guns being towed onto testing grounds by heavy army vehicles. Various shots of the new guns being demonstration. The have to be constructed with cranes. Demo shows how the guns can despatch a shell 15 miles. Various shots of loading and closing breach. Various shots of line of guns firing.
Canadian Despatch Riders: Various shots of Canadian Despatch Riders in action, roaring over rough countryside and moving through mock explosions.