English: The guided missile destroyer USS Lassen (DDG 82) underway in the rough seas of the East China Sea. Lassen is part of the USS Carl Vinson (CVN 70) Battle Group. Lassen and Carl Vinson have just completed participating in Exercise Foal Eagle and are continuing their deployment in the western Pacific Ocean. Exercise Foal Eagle is an annual joint and combined field training exercise between the U.S. and Republic of Korea armed forces. The exercise is designed to strengthen relationships and improve interoperability between both nations through real world training scenarios.