Senior Enlisted Advisor to the Chairman or the Joint Chiefs of Staff, Sgt. Maj. Bryan Battaglia (right), and Senior Enlisted Leader of the Hungarian Defense Force, Command Sgt. Maj. Istvan Kriston, listen to a briefing given at the 2012 International Senior Enlisted Seminar (ISES), Sept. 6. Held at the George C. Marshall European Center for International Studies in Garmisch, Germany, ISES is the flagship professional development event for NATO, Partnership for Peace and key contact nation senior enlisted leaders, helping to prepare them for increasingly complex and challenging multinational environments, while continuing the development of a professional NCO Corps in NATO and partnered countries.