The jet propulsion innovation was a groundbreaking technology during the Second World War and was used in the De Havilland Vampire .
Development of the aircraft began during the Second World War as an aircraft suitable for combat that harnessed the innovation of jet propulsion ; it was quickly decided to opt for a single-engine , twin-boom aircraft equipped with the Halford H.1 turbojet engine , which was later known as the de Havilland Goblin .
De Havilland Vampire