Given the task definition and input, reply with output. Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.

Context : Air Chief Marshal Sir Harry Broadhurst GCB, KBE, DSO & Bar, DFC & Bar, AFC (28 October 1905 -- 29 August 1995), commonly known as Broady, was a senior Royal Air Force commander and flying ace of the Second World War.
Answer : Royal Air Force
What military branch was Harry Broadhurst in?