Question: Going Solo is a memoir by Roald Dahl, first published by Jonathan Cape in London in 1986, he eventually joined the war as a squadron pilot in the Royal Air Force, flying which British single-seat fighter aircraft of the 1930s–1940s that was designed and predominantly built by Hawker Aircraft Ltd for the Royal Air Force (RAF)?
Sentence (from "Supermarine Spitfire"): The Supermarine Spitfire is a British single-seat fighter aircraft that was used by the Royal Air Force and many other Allied countries before, during and after World War II.
Relevant evidence: No