Islamic extremists remain a stubborn problem in the Philippines despite a multiyear U.S. military effort to combat the threat, according to a recent report to Congress.

Operation Pacific Eagle — Philippines, an overseas contingency operation led by U.S. Indo-Pacific Command, has been ongoing since Sept. 1, 2017. Three years later, there are still 300-500 Islamic State-affiliated fighters in the Southeast Asian nation, according to the latest assessment by Defense Department acting inspector general Sean O’Donnell.

“There has been little change in the capabilities, size, financing, and operations of [the Islamic State in East Asia],” O’Donnell wrote in the most recent report on the operation, which covers April 1 through June 30.

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