LUANDA, Angola (Sept. 7, 2021) Capt. Chad W. Graham, commanding officer, USS Hershel "Woody" Williams, left, describes COVID-19 protocol to personnel from the Gabinete Provincial de Saude (Angolan Ministry of Health) aboard the Expeditionary Sea Base USS Hershel "Woody" Williams (ESB 4), Sept. 7, 2021. Hershel "Woody" Williams is on a scheduled deployment in the U.S. Sixth Fleet area of operations in support of U.S. national interests and security in Europe and Africa. (U.S. Navy photo by Mass Communication Specialist 3rd Class Malachi Lakey)