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 Combat forces committed to Operation Falconer for the 2003 Invasion were withdrawn during 2003.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 These troops began withdrawing from Iraq on 1 June 2008 and were completely withdrawn by 28 July 2009.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 security, counter-terrorism, economic development and strengthening Iraq's institutions. Both leaders said their countries would maintain strong security, diplomatic and economic ties after the last U.S. combat forces withdraw. President Barack Obama paid tribute to the troops who served in Iraq on 14 December 2011, at the Fort Bragg military base in North Carolina. As the last of the American troops prepared to exit Iraq, he said the United States was leaving behind a "sovereign, stable and self-reliant" Iraq. On 15 December, an American military ceremony was held in Baghdad putting a formal end to the U.S. mission in Iraq. The