U.S. Sailors remove chocks and chains from a MH-60R Seahawk helicopter assigned to Helicopter Maritime Strike Squadron 72 aboard the guided missile destroyer USS Oscar Austin in the North Sea June 8, 2014. The Oscar Austin was underway in the U.S. 6th Fleet area of responsibility supporting maritime security operations and theater security cooperation efforts. (U.S. Navy photo by Mass Communication Specialist 3rd Class DJ Revell/released)