You will be given a definition of a task first, then some input of the task.
Generate a correct and concise answer for the question based on the words in the context.

Context : Sir Barrie Heath, DFC, AE (11 September 1916 -- 22 February 1988) was a World War II Royal Air Force Spitfire pilot who fought in the Battle of Britain, and was awarded the Distinguished Flying Cross.
Question : What military branch is Barrie Heath?
Output:
Royal Air Force