page_title: Peter Cosgrove
section_title: Military service
hierarchical_section_title: Peter Cosgrove / Military service
caption_attribution_description: English: General Peter Cosgrove AC MC (Ret'd) at the Centenary of the Kangaroo March launch.
context_page_description: General Sir Peter John Cosgrove, AK, CVO, MC is a retired senior Australian Army officer who served as the 26th Governor-General of Australia, in office from 2014 to 2019.
  A graduate of the Royal Military College, Duntroon, Cosgrove fought in the Vietnam War, receiving the Military Cross in 1971. From 1983 to 1984, he was commander of the 1st Battalion, Royal Australian Regiment, and he later served as commander of the 6th Brigade and the 1st Division. Cosgrove rose to prominence in 1999, when he served as commander of the International Force for East Timor, which oversaw the peacekeeping mission in East Timor during its transition to independence.
  Cosgrove was Australia's Chief of Army from 2000 to 2002 and Chief of the Defence Force from 2002 to 2005, receiving corresponding promotions to lieutenant general and general. Cosgrove retired from active service following the end of his term as Chief of the Defence Force, and subsequently served as leader of a taskforce helping to rebuild communities in Queensland after Cyclone Larry in 2006. In January 2014, Cosgrove was named to succeed Dame Quentin Bryce as Governor-General of Australia.
context_section_description: Cosgrove was appointed a probationary second lieutenant in August 1968 while attached to a regular army unit, and was commissioned a lieutenant on 11 December 1968. He was allotted to the Royal Australian Infantry. He arrived in Vietnam on 3 August 1969 and was posted to 9th Battalion, Royal Australian Regiment on 20 August 1969. On 10 October 1969, Lieutenant Cosgrove was commanding 5 Platoon, B Company. The platoon located an occupied bunker system in an area where, because of the proximity of allied troops, indirect fire support was difficult to obtain. In spite of this, he led his platoon in an assault on the bunkers without indirect fire support, capturing the system and killing and wounding at least four enemy without sustaining any casualties. On 16 October 1969, 5 Platoon located another bunker system occupied by about a platoon of enemy. Lieutenant Cosgrove silently deployed his own platoon for an attack. His assault completely surprised the enemy causing them to flee, abandoning large quantities of food, stores and documents. The following day in the same bunker system a party of enemy approached his right forward section and was engaged by the sentry. Knowing that the remainder of the section was elsewhere on other tasks, Lieutenant Cosgrove ran to the contact area and personally conducted the fight against the enemy. As a result of his actions, two enemy were killed and three weapons and four packs containing rice were captured. He was awarded the Military Cross for these actions.
  Cosgrove was promoted to the temporary rank of captain on 21 September 1970, and was appointed an aide-de-camp to the then-Governor-General Paul Hasluck on 20 December 1971. He was promoted to substantive captain on 31 October 1974 (seniority from 13 July), to temporary major on 2 January 1976 and to substantive major on 11 December 1978. In 1980 he was awarded the National Medal, and was promoted to lieutenant-colonel on 7 December 1981. In the mid-1980s he commanded the 1st Battalion, Royal Australian Regiment.
  Cosgrove came to national fame in 1999 when, as a major general, he led the international forces (INTERFET) in a peacekeeping mission to East Timor. The mission's success made him one of Australia's most respected and popular military leaders. He was promoted in 2000 to lieutenant general as Chief of the Army and in 2002 to general as Chief of the Defence Force.
  In 2004, the Foreign Minister Alexander Downer queried the judgement of Federal Police Commissioner Mick Keelty. Following a joint interview with the then Defence Minister Robert Hill, Cosgrove was accused of "playing politics" when he said that, on this occasion, he disagreed with Keelty's point of view. However, Cosgrove expressed strong support for the Police Commissioner in his Australian best selling autobiography, My Story, published in 2006. On 3 July 2005, Cosgrove's three-year appointment as Chief of the Defence Force was completed, and he was succeeded by then-Chief of Air Force Air Marshal Angus Houston.
caption: Cosgrove at the Centenary of the Kangaroo March launch in 2013.
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