U.S. Navy Chief Boatswain's Mate John C. Patterson, right, directs Sailors during a vertical replenishment aboard the guided missile destroyer USS Curtis Wilbur (DDG 54) during exercise Foal Eagle 2014 in the Pacific Ocean March 12, 2014. Foal Eagle is a combined U.S.-South Korea field training exercise held annually in South Korea to ensure the operational readiness of air, space and cyberspace operations in the Korean theater of operations.