U.S. Marines clear a building of hostile civilians during a final training exercise in the Military Operations in Urban Terrain facility at Camp Lejeune, N.C., on Aug. 26, 1996, as part of Cooperative Osprey '96. Cooperative Osprey '96 is a NATO sponsored exercise as part of the alliance's Partnership for Peace program. The aim of the exercise is to develop interoperability among the participating forces through practice in combined peacekeeping and humanitarian operations. Three NATO countries and 16 Partnership for Peace nations are taking part in the field training exercise.