概述美国军方航天系统采办中任务保证的来源,介绍其任务保证的阶段与任务以及任务保证的过程,分析美军任务保证的特点及与产品保证的关系。 This paper outlines the sources of mission assurance in the acquisition of the US military space system, describes the phases and tasks of its mission assurance, and the process of mission assurance. It also analyzes the characteristics of mission guarantees in the United States and its relationship with product assurance.