U.S. Air Force Senior Airman Logan, 45th Intelligence Squadron, is greeted by Sadie at the Langley USO center at Joint Base Langley-Eustis, Va., June 19, 2017. Sadie’s owner, Hannah Hendricks, is the USO volunteer and special programs coordinator and oversees operations at the Langley Air Force Base USO center. (U.S. Air Force photo/Staff Sgt. Teresa J. Cleveland)