CAMP LEMONNIER, Djibouti (Jan. 26, 2022) U.S. Navy Lt. Lucy Shi, a flight surgeon at Michaud Expeditionary Medical Facility, uses a stethoscope to check the heart rate of a simulated patient during a mass casualties exercise on Camp Lemonnier, Djibouti (CLDJ). 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 Mass Communication Specialist 1st Class Jacob Sippel)