CHINHAE, Republic of Korea (Mar. 17, 2021) Master Sgt. Matthew Roth and Hospital Corpsman James Woo brief personnel before they receive the Janssen COVID-19 vaccine at Commander, Fleet Activities Chinhae. Sailors assigned to Navy Branch Health Clinic Chinhae and Soldiers assigned to the 549th Medical Hospital Center, 65th Medical Brigade administered the Janssen COVID-19 vaccine, on a completely voluntary basis to eligible personnel. (U.S. Navy Photo by Mass Communication Specialist Seaman Adam Craft/Released)