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For years after dislodging the militants from their self-declared caliphate across Iraq and Syria, U.S. forces have fought the Islamic State group, though the casualties from this raid were higher than in previous ones.
The U.S. military's Central Command alleged the militants were armed with “numerous weapons, grenades, and explosive ‘suicide’ belts” during the attack Thursday, which Iraqi forces said happened in the country's Anbar Desert.