SASEBO, Japan (July 21, 2021) Firefighters from Commander, Navy Region Japan (CNRJ) Fire & Emergency Services Sasebo move Master-at-Arms 1st Class Henry Zavala to a stretcher after sustaining simulated injuries as part of a mass casualty drill during Exercise Citadel Pacific 2021 (CP21) at Commander, Fleet Activities Sasebo (CFAS) July 20, 2021. CP21 is an anti-terrorism and force protection exercise designed to enhance readiness of Navy security personnel and better prepare Navy installations for potential force protection situations. (U.S. Navy photo by Mass Communication Specialist 3rd Class Jasmine Ikusebiala)