U.S. Air Force B-52 Stratofortress aircraft from Barksdale Air Force Base, Louisiana, arrives at Al Udeid Air Base, Qatar, April 9, 2016 in support of Operation Inherent Resolve, the operation to eliminate Da’esh and the threat they pose to Iraq, Syria and the wider international community, and as needed in the region. (U.S. Air Force photo by Tech. Sgt. Nathan Lipscomb)