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 Combat forces committed to Operation Falconer for the 2003 Invasion were withdrawn during 2003.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 These troops began withdrawing from Iraq on 1 June 2008 and were completely withdrawn by 28 July 2009.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
Withdrawal of U.S. troops from Iraq Iraqi territory". The last U.S. troops left Iraq on 18 December 2011, in accordance with this agreement. In 2014, the advance of the Islamic State of Iraq and the Levant (ISIL) from Syria to Iraq's western provinces prompted the U.S. to intervene again, alongside other militaries, to combat ISIL. Immediately before and after the 2003 invasion, most polls within the United States showed a substantial majority supporting war, though since December 2004 polls consistently showed that a majority thought the invasion was a mistake. In the spring of 2007, surveys generally showed a majority in favor of setting a timetable