NIS, Serbia – Col. Tim Brown, 435th Expeditionary Contingency Response Group commander and MEDCEUR 2009 co-director, and Dr. Zoran Vesic, a Serbian state secretary, officially sign the event memorandum and technical agreement before the opening ceremony of the 2009 military medical training exercise in Central and Eastern Europe Wednesday, Sept. 2, 2009 at Knjaz Mihailo Barracks here. More than 600 participants, including hundreds of Unites States Air Forces in Europe Airmen, descended upon Nis to participate in the Sept. 2 - 13 exercise. The exercise focuses on providing joint medical training and assisting host nation civilian and military services; international, private and volunteer organizations; and other participating nations in enhancing disaster response actions.