US troops unlikely to resume combat duties in Iraq

A U.S. Army soldier from 2nd Battalion, 23rd Infantry Regiment, 4th Brigade, 2nd Infantry Division waves from his Stryker armored vehicle after crossing the border from Iraq into Kuwait Wednesday, Aug. 18, 2010. The soldiers are part of the last combat brigade to leave Iraq as part of the drawdown of U.S. forces. (AP Photo/ Maya Alleruzzo)

August 22, 2010 2:26:53 PM PDT
It would take "a complete failure" of the Iraqi security forces for the U.S. to resume combat operations there, the top American commander in Iraq said as the final U.S. fighting forces prepared to leave the country.