For the RAF Air Marshal, see Arthur McDonaldGeneral Sir Arthur Leslie MacDonald KBE, CB (30 January 1919 – 20 January 1995) was a senior officer in the Australian Army, who served in the positions of Chief of the General Staff from 1975 to 1977, then Chief of the Defence Force Staff from 1977 to 1979; the professional head of the Australian Army and Australian Defence Force respectively.