Canadian soldiers march from under an arch of M-198 155 mm Howitzer barrels onto the parade field at Camp Lejeune, N.C., on Aug. 14, 1996, for the Cooperative Osprey '96 opening ceremonies. 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.