SOUDA BAY, Greece (Feb. 20, 2021) A COVID-19 vaccine sits in the medical department of the Arleigh Burke-class guided-missile destroyer USS Porter (DDG 78) before being administered aboard the ship in Souda Bay, Greece, Feb. 20, 2021. Porter, forward deployed to Rota, Spain, is on its ninth patrol 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 Damon Grosvenor)