180614-N-QY759-0043 SASEBO, Japan (June 14, 2018) Master-at-Arms1st Class Jonathan Rosario, left, assists Yeoman 2nd Class Logan Smith during an active shooter drill as part of exercise Citadel Pacific 2018 at Fleet Activities Sasebo, Japan. Citadel Pacific is designed to enhance training, readiness and capability of Navy security forces to respond to threats to Navy Installations and units. (U.S. Navy photo by Mass Communication Specialist 1st Class David R. Krigbaum/Released)