Colonel Brian S. Davis speaks to his family, distinguished guests and members of the 507th Air Refueling Wing during his assumption of command ceremony Feb. 8, 2014 here. Brigadier General John C. Flournoy Jr., 4th Air Force commander, sitting, presided over the proceedings. Davis comes to the 507th from the 459th Air Refueling Wing where he served as Operations Group commander for two years. (U.S. Air Force photo/Senior Airman Mark Hybers)