U.S. Navy Chief Hull Maintenance Technician Jonathan Fitzgerald signals to Sailors during a helicopter crash and salvage training evolution while participating in European Phased Adaptive Approach aboard the guided missile destroyer USS Donald Cook (DDG 75) in the Black Sea April 21, 2014. U.S. Navy guided missile destroyers operated in the Black Sea on a mission to train with partner nation navies and promote peace and stability in the region. (U.S. Navy photo by Mass Communication Specialist Seaman Edward Guttierrez III/Released)