Help de vijand niet ! OA 102 Handleiding instructie. aflevering 3. OVS 1535 Handleiding instructie. aflevering 7. OVS 1535 Leadership Courtesy and Drill. FM 22-5 Drill and Ceremonies. FM 22-5 Command and Leadership for the Small Unit Leader. FM 22-100 War department pamphlet Recognition Training. FM 21-80 Drill and Ceremonies. FM 22-5 Drill and Ceremonies. FM 22-5 Leadership. FM 22-10 Military Leadership. FM 22-100