In September 2008, 25 US service personnel were killed - the highest recent toll for US forces.
During the war in Iraq, Kurdish fighters largely worked under or alongside US forces.
The commander of US forces in Afghanistan was even more explicit about bin Laden Thursday.
Pakistan was only notified of the operation once US forces had left its airspace.
Obama abandoned his earlier pledge to withdraw all US forces from Iraq by 2010.
And he announced that US forces would begin to withdraw from Afghanistan in July 2011.
What will happen in Iraq once US forces are withdrawn is an open question.
Monday's test was conducted alongside US forces and is the first time the system has been tested.
The two nations are considering how US forces can operate from now on.
Government ministries, the National Assembly, the military headquarters, US Forces in Korea and major banks were among those hit.
When in 2003 the AKP-dominated Turkish parliament prohibited US forces from invading Iraq through Kurdistan, the US blamed itself.
Mr Gates, he said, had urged both sides to try to settle their disputes before US forces left Iraq.
In some cases US forces will be in a supporting role, in other cases, US forces will be supported.
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On the other hand, an Israeli attack on Iran's nuclear installations can place US forces in Iraq at risk.
He said difficult times ahead were partly because US forces were targeting what he called militant sanctuaries and safe havens.
Something like half of all US forces in the country are in the two southern provinces of Helmand and Kandahar.
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Gen Petraeus became a household name in January 2007, when Mr Bush named him overall commander of US forces in Iraq.
The accountability of US forces and local militia working with them has been a growing source of friction in Afghan-US relations.
BBC: File image of US soldier in Wardak province, Afghanistan
British and US forces moved into Afghanistan following the 11 September attacks.
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Concerns were raised by some MEPs during the debate that too much of the response had been taken on by US forces.
Among Syria's neighbours, Turkey, Jordan, and Israel would both have a strong interest in allowing access to US forces to mount such raids.
Afghanistan believes that Pakistan is taking advantage of the reduction in US forces, seizing ground and setting up new border posts, he adds.
He met with General John Abizaid, who heads the US Central Command, and with General George Casey, the commander of US forces in Iraq.
Mr Mubanga was arrested in Zambia in 2002 before being taken by US forces to Guantanamo Bay, where he was held for three years.
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This is when Mr Obama has announced that withdrawal of US forces will begin, assuming transition and transfer of responsibility to Afghan forces takes effect.
Charles Heyman, senior defence analyst at Jane's Consultancy Group, said the Black Watch may face even greater risk as US forces prepare to attack Falluja.
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