Master-at-Arms 3rd Class Daliese Steele and military working dog K-9s search the area for improvised explosive devices during an "active shooter" drill at Boca Chica Field. Naval Air Station Key West is a state-of-the-art facility for air-to-air combat fighter aircraft of all military services and provides world-class pierside support to U.S. and foreign naval vessels. (U.S. Navy photo by Mass Communication Specialist 1st Class Brian Morales/ Released)