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美国NAI于2001年开始由美国国防部与美国国家航空航天局合作执行,是一项基于空天领域的综合性中长期科技发展规划,其范围覆盖了美国陆军、海军、空军,旨在确保美国在空天领域的领先地位。NAI实施过程中所遵循的GOTCh A流程是确定美国陆军、海军、空军中长期技术发展路线的根本方法,是协调美国陆军、海军、空军大量研制项目的顶层优化管理方法。可以说,GOTCh A流程实际上是一项项目组合顶层优化管理技术。对NAI的任务范围、技术发展方法、GOTCh A流程及其在太空进入领域的具体应用进行阐述,旨在对项目组合管理给予启示。
The United States NAI began in 2001 by the United States Department of Defense and NASA cooperation in the implementation of a space-based field is a comprehensive medium-and long-term science and technology development plan, covering the United States Army, Navy, Air Force, designed to ensure that the United States In the sky in the field of leading position. The GOTCh A process followed in the implementation of NAI is the fundamental method for determining the long-term technical development route of the US Army, Navy and Air Force, and is the top-level optimization management method for coordinating a large number of development projects of the U.S. Army, Navy and Air Force. It can be said that the GOTCh A process is actually a top-level optimization management technology for the project portfolio. The task scope of NAI, technical development method, GOTCh A process and its application in the field of space launch are expounded in order to give enlightenment to project portfolio management.