High Quality Content by WIKIPEDIA articles! Air Chief Marshal Sir Neville Patrick McNamara KBE, AO, AFC, AE (born 17 April 1923) is a retired senior commander of the Royal Australian Air Force (RAAF). He served as Chief of the Air Staff (CAS), the RAAF`s highest-ranking position, from 1979 until 1982, and as Chief of the Defence Force Staff (CDFS), Australia`s top military role at the time, from 1982 until 1984. He is the second of three RAAF officers to have held the rank of Air Chief Marshal.