Air Chief Marshal Allan Grant "Angus" Houston, AC, AFC is the Chief of the Australian Defence Force, as of 4 July 2005. At the time of his appointment he was Australia's Chief of Air Force, a position he had held since 20 June 2001.
"Angus" Houston joined the RAAF as a cadet pilot in 1970 and spent the early part of his career flying UH-1 Iroquois helicopters in various parts of Australia, Papua New Guinea and Indonesia.
After graduation from Flying Instructors Course in 1975, Houston completed several instructional tours on Macchi MB-326H, British Aircraft Corporation Strikemaster and Iroquois aircraft. A posting to the Republic of Singapore Air Force (RSAF) from 1976-1978 was followed by two years at No. 9 Squadron at RAAF Base Amberley. In late 1979, Houston was posted to Hill Air Force Base, Utah U.S.A. for exchange flying duties with a United States Air Force helicopter unit.