BAGHDAD - JULY 4: US soldiers swear their allegiance during a US Naturalization ceremony at the al-Faw Palace, a former residence of  Iraqi president Saddam Hussein on July 04, 2009 on the western outskirts of the capital Baghdad. Some 237 soldiers from 59 countries swore allegiance to the flag. Getty Images logo Getty Images 4 months ago

BAGHDAD - JULY 4: US soldiers swear their allegiance during a US Naturalization ceremony at the al-Faw Palace, a former residence of Iraqi president Saddam Hussein on July 04, 2009 on the western outskirts of the capital Baghdad. Some 237 soldiers from 59 countries swore allegiance to the flag.