150217-N-TC720-045 BLACK SEA (Feb. 17, 2015) Damage Controlman 2nd Class Jeremy Key, from Fort Knox, Ky., conducts damage control training with Sailors aboard the guided-missile destroyer USS Cole (DDG 67). Cole is conducting naval operations in the U.S. 6th Fleet area of responsibility in support of U.S. national security interests in Europe. (U.S. Navy photo by Mass Communication Specialist 3rd Class Mat Murch/Released)