AudreeAna Johns, age six, daughter of U.S. Army Sgt. Matthew Johns, 221st Military Police Detachment military police officer, walks her service dog, Hope, across the bridge of a playground at Joint Base Langley-Eustis, Va., Jan. 5, 2017. Hope is trained as a seizure alert, stability and anxiety service animal and travels most places with AudreeAna, ready to notify of an impending medical need. (U.S. Air Force photo by Staff Sgt. Teresa J. Cleveland)