This image provided by the U.S. Defense Department shows pallets of bottled water are loaded aboard a U.S. Air Force C-17 Globemaster III aircraft in preparation for a humanitarian airdrop over Iraq Aug. 8, 2014. Airmen with the 816th Expeditionary Airlift Squadron airdropped 40 bundles of water for displaced citizens in the vicinity of Sinjar, Iraq. American planes conducted a second airdrop of food and water early Saturday for those trapped in the Sinjar mountains, said Pentagon chief spokesman Rear Adm. John Kirby. (AP Photo/U.S. Air Force, Staff Sgt. Vernon Young Jr.)
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