Messerschmitt Me 163 Komet
The Messerschmitt Me 163 Komet is a rocket-powered interceptor aircraft primarily designed and produced by the German aircraft manufacturer Messerschmitt. It is the only operational rocket-powered fighter aircraft in history as well as the first piloted aircraft of any type to exceed 1,000 kilometres per hour (620 mph) in level flight.
Source: Wikipedia — Messerschmitt Me 163 Komet (CC BY-SA 4.0)