171002-N-QR145-045 MEDITERRANEAN SEA (Oct. 2, 2017) Chief Hospital Corpsman Marisol Fernandez, center, provides training to stretcher bearers during a medical training drill aboard the Arleigh Burke-class guided-missile destroyer USS Porter (DDG 78) while underway in Mediterranean Sea. Porter is forward-deployed to Rota, Spain, on its fourth patrol in the U.S. 6th Fleet area of operations in support of regional allies and partners, and U.S. national security interests in Europe. (U.S. Navy photo by Mass Communication Specialist 3rd Class Krystina Coffey/ Released)