A Turkish foreign ministry spokesman said the site is manned by Turkish and U.S. personnel, CNN reported Tuesday.
Portugal, Poland, Romania and Spain have also agreed to deploy elements of a U.S.-designed European missile defense system to detect threats from the Middle East.
Russia has been asked to participate in the system but is seeking a legal treaty guaranteeing the shield won't be used against Russia's own defense systems. Iran has publicly objected to the shield.
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