BLACK SEA (Feb. 9, 2021) Retail Services Specialist Seaman Christopher Maul, right, and Navy Counselor 1st Class Vinicius Segatto, left, give medical attention to Hospital Corpsman 3rd Class Luke Metcalf during a medical training team drill aboard the Arleigh Burke-class guided-missile destroyer USS Donald Cook (DDG 75), Feb. 9, 2021. Donald Cook, forward-deployed to Rota, Spain, is on patrol in the U.S. 6th Fleet area of operations in support of regional allies and partners and U.S. national security in Europe and Africa. (U.S. Navy photo by Mass Communication Specialist 3rd Class Will Hardy)