U.S. Adm. James Stavridis, commander of U.S. European Command, greets Romanian Naval Special Operation Forces personnel after the members conducted a live tactical demonstration during Jackal Stone 11 at the Constanta Military Harbor, Romania, Sep. 20, 2011. The purpose of the exercise, coordinated by Special Operations Command Europe, is to enhance special operations forces capacity a¬nd interoperability between the nine participating nations, while simultaneously building cooperation and partnerships.