The reason was because despite its low price, when the Soviet style HN-5 had been exported to third world countries mainly armed with western weaponry, the compatibility issues and associated logistical problems increased the overall life cycle cost of the missile.
究其原因是尽管其价格低廉，但在苏联样式红缨-5曾在出口到主要装备了西方武器的第三世界国家时，其兼容性问题和相应的后勤保障问题都增加了该导弹的整个生命周期成本。