Australian contribution to the 2003 invasion of Iraq included 14 F/A-18 Hornet fighters). Combat forces committed to Operation Falconer for the 2003 Invasion were withdrawn during 2003. Under the name Operation Catalyst, Australian combat troops were redeployed to Iraq in 2005, however, and assumed responsibility for supporting Iraqi security forces in one of Iraq's southern provinces. These troops began withdrawing from Iraq on 1 June 2008 and were completely withdrawn by 28 July 2009. A headquarters staff of about 60 personnel under the command of Brigadier Maurie McNarn. Planning for the deployment of ADF units to the Middle East began in mid-2002 when Australian officers were attached to
Iraq timetable for withdrawal and US coalition partners such as the UK and Denmark began withdrawing their forces from the country. The war in Iraq has resulted in between 151,000 and 1.2 million Iraqis being killed. In 2008, fighting continued and Iraq's newly trained armed forces launched attacks against militants. The Iraqi government signed the US–Iraq Status of Forces Agreement, which required US forces to withdraw from Iraqi cities by 30 June 2009 and to withdraw completely from Iraq by 31 December 2011. US troops handed over security duties to Iraqi forces in June 2009, though they continued to work with