CAMP LEMONNIER, Djibouti (Feb. 27, 2021) U.S. Army Staff. Sgt. Kristin Zimmerman, a civil affairs team medic with Civil Affairs East Africa, administers the COVID-19 vaccine at Camp Lemonnier, Djibouti, Feb. 27, 2021. Though the vaccine is voluntary, around 1,100 personnel at Camp Lemonnier have now received their first round of the COVID-19 vaccine. (U.S. Air Force photo by Senior Airman Taylor Davis)