Please answer the following question: Here's a complex question that requires someone to reason about the input, can you answer it? Jonna Doolittle Hoppes is an American author whose works include oral histories and biographies, granddaughter of aviation pioneer and United States Air Force General James Harold Doolittle (December 14, 1896 September 27, 1993) was an American aviation pioneer, active duty during which event?
A:
World War II