Progress on the English Electric Canberra was the main topic of a report written by W E W Teddy Petter on June 17 1948 but a final paragraph headed High Speed Fighter said Requirements for a high speed fighter are being sent to us...There would probably be two or three prototypes attached to a successful design and a reasonable chance of production orders. Supersonic speeds would be required for short periods. This marked the beginning of the effort leading to production of the legendary Lightni