U.S. Navy Damage Controlman 3rd Class Bamidele Kuteyi, left, demonstrates the proper way to don a face mask during damage control training July 31, 2014, aboard the guided missile destroyer USS Ross in the Mediterranean Sea. U.S. Navy guided missile destroyers took part in the European Phased Adaptive Approach program, operating in the Black Sea on a mission to train with partner nation navies and promote peace and stability in the region.