U.S. Army Soldiers from the 221st and 3rd Military Police Detachments at Joint Base Langley-Eustis, Va., explain the need for military working dogs during a career fair at Crittenden Middle School in Newport News, Va., Feb. 22, 2017. The objective of the career fair was to strengthen the relationships between the installation and the local community. (U.S. Air Force photo by Staff Sgt. Teresa J. Cleveland)