Hawker Hurricane Plane WWII Speed Is Vital RAFOriginal vintage World War Two propaganda poster Keep Them Both Flying! Speed Is Vital! issued to highlight the importance of aircraft maintenance and production during wartime, featuring a Royal Air Force RAF British single seat fighter aircraft, a Hawker Hurricane fighter plane, flying past a Union Jack flag on a light blue sky background, the bold white lettering on a red background above and below. Published and distributed under the authority and