U.S. Air Force B-52 Stratofortress aircraft from Barksdale Air Force Base, La., arrive at Al Udeid Air Base, Qatar, April 9, 2016 in support of Operation Inherent Resolve, the operation to eliminate the Islamic State of Iraq and the Levant and the threat they pose to Iraq, Syria and the wider international community, and as needed in the region. The B-52 offers diverse capabilities including the delivery of precision weapons. (U.S. Air Force photo/Tech. Sgt. Nathan Lipscomb)