190626-N-QE566-0001 JOINT BASE PEARL HARBOR-HICKAM, Hawaii (June 26, 2019) Joint Base Pearl Harbor-Hickam security forces apprehend an active shooter during a training exercise for Citadel Pacific 2019. This annual exercise, conducted by Commander, Navy Installations Command, uses realistic scenarios to ensure U.S. Navy security forces maintain a high level of readiness to respond to changing and dynamic threats. (U.S. Navy photo by Mass Communication Specialist 1st Class Corwin M. Colbert/ Released)