Career
He served as Chief of Air Force from 4 July 2011 until his retirement on 3 July 2015. After studying engineering, Brown joined the Royal Australian Air Force in 1980. He became Officer Commanding Number.
3 Squadron in 1997 and Officer Commanding Number.
82 Wing in 2000. He commanded air transport operations in Operation Iraqi Freedom in 2003 before becoming Officer Commanding Airborne Early Warning and Control Systems Program Office later that year. He became Commander of the Air Combat Group in 2006, Director General Capability Planning at Air Force Headquarters in 2007 and Deputy Chief of Air Force in 2008.
Brown became Chief of Air Force on 4 July 2011. On 4 April 2014, it was announced that Brown would continue as the Chief of Air Force for an extra twelve months, to July 2015.