RIJEKA, Croatia (April 27, 2021) Hospital Corpsman 2nd Class Benjamin Richardson, left, conducts a nasal swab of Machinist Mate 3rd Class Justin Alba to test for COVID-19 aboard the expeditionary sea base USS Hershel “Woody” Williams (ESB 4) in Rijeka, Croatia, April 27, 2021. Hershel “Woody” Williams is on a scheduled deployment in the U.S. 6th 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 2nd Class Eric Coffer)