CAMP LEMONNIER, Djibouti (Feb. 4, 2022) Master-at-Arms 2nd Class Mason Burgess, attached to N34 Security while deployed to Camp Lemonnier, Djibouti (CLDJ), clears a hallway as the tertiary entry team during a simulated active shooter exercise on base. CLDJ serves as an expeditionary base for U.S. military forces providing support to ships, aircraft and personnel that ensure security throughout Europe, Africa and Southwest Asia. The base enables maritime and combat operations in the Horn of Africa while fostering positive U.S.-Africa relations. (U.S. Navy photo by Master-at-Arms 2nd Class Larry Nalley)