Romanian Lt. Gen. Stefan Danila, the Romanian chief of general staff, left, and U.S. Adm. James Stavridis, right, the U.S. European Command commander, right, prepares to watch a live tactical demonstration from a multinational maritime Special Operations Task Group during exercise Jackal Stone 2011 at Mihail Kogalniceanu Air Base, Romania, Sept. 20, 2011. Jackal Stone is an annual joint special operations exercise designed to enhance capabilities and interoperability amongst the participating special operations forces as well as to build mutual respect while sharing doctrinal concepts, training concepts and various tactics, techniques and procedures.