Meteors and Vampires Form Ever-Ready Interceptor Force A group of the Armstrong Whitworth Meteor N.F. 11 jet planes, photographed on the ground before the demonstration at West Malling RAF Station yesterday. Giving a demonstration yesterday at West Mailing RAF Station, Kent., was the first all-weather squadron of jet night interceptors. The planes, de Havilland Vampires and Armstrong Whitworth Meteors converted to carry a navigator and radar equipment, will close the gap in the protective networ