Question: When did the Liberal member for the House of Representatives start serving as the Minister of Defense Industry?

Context articles: Randy Jayne
Aubrey Luck
Greg Hunt
Peter Dutton
Minister for Defence Industry
Ted Lindsay (Australian politician)
Ian Viner
Craig Laundy
Ethiopian National Defense Force
Christopher Pyne

Dr. Edward Randolph “Randy” Jayne II (born 1944) is a Partner at Heidrick & Struggles (1996 – present) and was a senior executive in defense and technology industries, a senior government civilian executive, a military officer and combat pilot.
 A former public company president, and leader of two businesses in the defense industry, he also served in the White House under three successive United States presidents.
 Prior to his business career, Jayne spent over ten years on active duty in the Air Force, including two tours as a fighter pilot in Southeast Asia.
 In parallel to his corporate career, Jayne served in the Air National Guard, serving in the District of Columbia and Missouri Air National Guards, and retiring after 34 years of service as a Major General.
 In November, 2015, he became the Chairman of the Board of the US Air Force Academy Endowment, the fundraising organization for that institution.
Aubrey William George Luck (14 November 1900 – 9 June 1999) was an Australian politician.
 Born in the West Tamar region of Tasmania, he was educated at state schools before becoming a hardware and building merchant in Devonport.
 He was involved in local politics as a member of Devonport Municipal Council.
 In 1951, he was elected to the Australian House of Representatives as the Liberal member for Darwin, succeeding the retiring Liberal member Dame Enid Lyons.
 He held the seat until its abolition in 1955, when he successfully contested the replacement seat of Braddon.
 He was defeated by Labor candidate Ron Davies in 1958.
 Luck died in 1999 at the age of 98.
Gregory Andrew Hunt (born 18 November 1965) is an Australian politician who has been a Liberal member of the House of Representatives since November 2001, representing the Division of Flinders in Victoria.
 He served as the Minister for the Environment from September 2013 to July 2016, serving first in the Abbott Government and then in the Turnbull Government.
 Hunt has served as the Minister for Health and the Minister for Sport since 24 January 2017.
Peter Craig Dutton (born 18 November 1970), Australian politician, has been a Liberal member of the Australian House of Representatives representing the Division of Dickson, Queensland since the November 2001 federal election when he defeated high-profile sitting Labor member Cheryl Kernot.
 Dutton was the Minister for Health and the Minister for Sport from 18 September 2013 and Minister for Immigration and Border Protection from 21 December 2014 in the Abbott Government.
 Dutton retained his portfolio in the Turnbull Government.
 On 18 July 2017, he was named Minister for Home Affairs, a newly created portfolio giving him oversight of ASIO, the AFP and Border Force.
 He previously served as the Minister for Workforce Participation and Minister for Revenue and Assistant Treasurer in the Howard Government.
 Dutton has been touted as a future Liberal leader.
In the Government of Australia, the Minister for Defence Industry is the Hon. Christopher Pyne {'1': ", '2': ", '3': ", '4': "} since 19 July 2016.
Eamon John "Ted" Lindsay (born 19 December 1942) was an Australian politician.
 Born in Tully, Queensland, he was a solicitor and a City of Townsville Councillor before entering federal politics.
 In 1983, he was elected to the Australian House of Representatives as the Labor member for Herbert, defeating the sitting Liberal member, Gordon Dean.
 On 24 March 1993 he was appointed Parliamentary Secretary to the Minister for Industry, Technology and Regional Development; on 25 March 1994 this portfolio was renamed Parliamentary Secretary to the Minister for Industry, Science and Technology.
 Lindsay was defeated in the 1996 election by Liberal candidate Peter Lindsay; the two are not related.
Robert Ian Viner AO (born 21 January 1933) is an Australian solicitor and barrister, and former politician.
 He was the Liberal member for the House of Representatives seat of Stirling from 1972 until his defeat by Labor's Ron Edwards in the 1983 election.
 He was Minister for Aboriginal Affairs from 1975 to 1978, Minister for Employment and Youth Affairs from 1978 to 1981—he was a cabinet minister from November 1980.
 In 1981, he was appointed Minister for Industrial Relations and, in April 1982, Minister for Defence Support and Minister Assisting the Minister for Defence and a member of the Defence Council.
Craig Arthur Samuel Laundy (born 16 February 1971) is an Australian politician.
 He has been the Liberal member for the House of Representatives seat of Reid since the 2013 election.
 Laundy served as the Assistant Minister for Multicultural Affairs between February and July 2016 following a rearrangement in the First Turnbull Ministry and has served as the Assistant Minister for Industry, Innovation and Science since July 2016 in the Second Turnbull Ministry.
The Ethiopian National Defense Force (ENDF) is the military of Ethiopia.
 Civil direction of the military is carried out through the Ministry of Defense, which oversees the ground forces, air force, as well as the Defense Industry Sector.
 The current defense minister is Siraj Fergessa.
Christopher Maurice Pyne (born 13 August 1967) is an Australian politician who has been the Liberal member for the House of Representatives seat of Sturt since the 1993 election.