When asked what he needed to win the Battle of Britain, German Ace Adolf Galland said, "Spitfires." Arguably one of the best fighters the world has ever seen, the Spitfire combines excellent armament, manoeuvrability, speed, and stability to create a fast, manoeuvrable fighter that can carry the day, even if badly outnumbered.
Supermarine Spitfire Mk. V on Wikipedia