A member of a band plays an instrument during the band's performance for Combined Endeavor 2009 participants during their visit to Ljekarice Eco-Center in Loncari-Prijedor, Bosnia-Herzegovina, Sept. 7, 2009. The Eco-Center offers its visitors endless deciduous forests to explore, numerous springs and brooks, and ten artificial lakes for fishing, water sports and swimming. Sponsored by U.S. European Command, Combined Endeavor is a communications and information systems interoperability test with Partnership for Peace, NATO and other nations focusing on the deliberate planning process, systems and human interoperability, and development of a road map for future improvement among participants.