Sheila E. Widnall (born 1938) was the first woman to head one of the country's military branches, the United States Air Force. While at the Massachusetts Institute of Technology (MIT), she developed the anechoicwind tunnel to study the phenomenon of noice and V/STOL aircraft.
Considered by many to be the architect of United States naval aviation, Rear Admiral William Moffett (1869-1933), was the chief of the Bureau of Aeronautics from 1921 until his death in 1933. He was responsible for the modernization of the navy to include aircraft carriers and the aircraft needed to land on them. He introduced launching catapults on all cruisers and battleships, encouraged the development of large flying boats for work with the fleet, motivated the improvement of the design of the air-cooled engine, and supported the experimentation with dirigibles.