AdvertisementIslamic State 'Beyond Anything We've Seen,' Hagel SaysAugust 21, 2014Scott NeumanfacebookEmailSecretary of Defense Chuck Hagel (left) and Chairman of the Joint Chiefs of Staff Gen. Martin Dempsey during a Pentagon briefing on Thursday. Hagel said Islamic State militants in Iraq and Syria posed a threat "beyond anything we've seen." (Reuters/Landov)