see more

LAFAYETTE, CA - NOVEMBER 06: Some of the nearly 4,000 wooden crosses that represent U.S. troops that have been killed in Iraq stand at a roadside memorial November 6, 2007 in Lafayette, California. With U.S. military deaths in Iraq surpassing 850 this year, 2007 will be the deadliest year since the U.S. led war in Iraq began in 2003. (Photo by Justin Sullivan/Getty Images)

LAFAYETTE, CA - NOVEMBER 06:  Some of the nearly 4,000 wooden crosses that represent U.S.  troops that have been killed in Iraq stand at a roadside memorial November 6, 2007 in Lafayette, California. With U.S.  military deaths in Iraq surpassing 850 this year, 2007 will be the deadliest year since the U.S.  led war in Iraq began in 2003.  (Photo by Justin Sullivan/Getty Images)