Jet engine design and Gloster E.28/39 in flight, 1941

The transcript discusses the initial challenges faced in aviation due to a lack of suitable materials and encouragement. It then highlights a significant breakthrough with the Gloucester E 2839, the first British aircraft powered by a gas turbine, which marked a pivotal moment in 1941 when the sound of a turbojet was first heard over English fields.

Describe the advancements in aircraft technology mentioned in the text.

How did the sound of turbo jets impact the perception of aircraft in England?