The early warning mechanism of American security crisis is an important part of the US national security system and an important guarantee for maintaining US national security.From the initial emergency safety warning mechanism established in response to domestic economic and war crises,it has gradually developed into a comprehensive and dynamic early warning mechanism that includes anti-terrorism security warning,military security warning and strategic security warning The largest,widest coverage,most hierarchical security crisis early warning mechanism,and continuous integration and reorganization driven by changes in the security environment and security concepts and national strategic needs,the United States security crisis early warning mechanism gradually got rid of the isolated state of isolation at the beginning of its establishment,and realized the linkage operation between the early warning mechanisms.The linkage operation of security crisis early warning takes the maintenance of US national security as the highest goal.All security early warning departments under the unified leadership and coordination of the National Security Council have divided their work and coordination to improve the efficiency of security early warning.The linkage mechanism of security crisis early warning refers to the cooperative actions of the United States security early warning departments under the overall coordination of the National Security Council.The president is the key to the operation of the United States security crisis early warning linkage.The National Security Assistant is guided by the president and national security needs and is responsible for the inter-departmental coordination of the security early warning departments in the National Security Council.Based on sorting out,analyzing,and summarizing the evolution,structure,and processes of various U.S.security early warning mechanisms,this article aims to discuss three issues;first,the power,adhesive,or What is the backbone,and what role have the security intelligence,the National Security Council,the National Security Assistant and the US President played in the linkage operation mechanism.Secondly,what are the performances of vertical and horizontal linkages among security crisis warning departments,and what is the structure and process of linkage operation.Finally,what are the characteristics of the linkage operation of the US security crisis early warning. |