U.S. Air Force Staff Sgt. Charles Raby, 746th Expeditionary Aircraft Maintenance Squadron crew chief, inspects a C-130H Hercules at Al Udeid Air Base, Qatar in support of Operation Inherent Resolve, Jan. 6, 2016. OIR is the coalition intervention against the Islamic State of Iraq and the Levant. (U.S. Air Force photo by Tech. Sgt. Nathan Lipscomb)