150312-N-UG232-757 WATERS TO THE EAST OF THE KOREAN PENINSULA (March 12, 2015) A combined fleet of U.S. Navy and Republic of Korea (ROK) navy ships participate in a photo exercise during exercise Foal Eagle 2015. Pictured are the ROK navy submarine Lee Sunshin (SS-068), the ROK navy destroyer Sejong the Great (DDG 991), the guided-missile destroyer USS Lassen (DDG 82), the ROK navy patrol craft Jinju (PCC 763), the ROK navy destroyer Gwanggaeto the Great (DDH 971), the ROK navy patrol craft Sokcho (PCC 778), the ROK navy frigate Kyeongbuk (FF 956) and the ROK navy patrol craft Gwangmyeong (PCC 783). Foal Eagle is a series of annual training events that are defense-oriented and designed to increase readiness and maintain stability on the Korean Peninsula while strengthening the ROK-U.S. alliance and promoting regional peace and stability of the Indo-Asian-Pacific region. (U.S. Navy Photo by Mass Communication Specialist 1st Class Martin Wright/Released)