G2TT
来源类型Report
规范类型报告
DOIhttps://doi.org/10.7249/RR2533
来源IDRR-2533-A
Understanding the Deterrent Impact of U.S. Overseas Forces
Bryan Frederick; Stephen Watts; Matthew Lane; Abby Doll; Ashley L. Rhoades; Meagan L. Smith
发表日期2020-02-04
出版年2020
语种英语
结论

Heavy ground forces are the most likely to enhance deterrence, and crisis deployments may prevent escalation but do not improve partners' leverage

  • The results of the analysis provide consistent evidence for the deterrent effects of heavy ground forces and air defense capabilities, especially when deployed in the general theater of interest but not necessarily on the front lines of a potential conflict.
  • The more mobile forces are, the less evidence there is that they deter. This is possibly because mobile forces represent a lesser degree of high-level or long-term U.S. commitment or possibly because measuring their effects is more difficult.
  • When U.S. forces, particularly light ground forces, are stationed inside the borders of the ally or partner to be defended rather than in nearby states in the broader theater, they are associated with an increased likelihood of militarized disputes.
  • Analysis shows that, when the United States has surged forces forward in an international crisis, there has been a large decline in the incidence of major clashes or war. Deployments of ground and air forces, in particular, were associated with an extremely low incidence of further escalation.
  • Countries supported by U.S. crisis deployments appear no more likely to achieve their strategic goals in a crisis than countries that do not enjoy such support. These results suggest that U.S. crisis deployments can help maintain the status quo at reduced risk of war, but they do not readily translate into bargaining leverage or improved long-term positions for partner states.
摘要

In the aftermath of Russian military aggression against Ukraine in 2014, and with increasing tensions in the U.S.-China strategic competition, the question of whether U.S. overseas military presence can enhance deterrence remains central. At the same time, U.S. overseas military commitments are increasingly coming under question at home, both among the public at large and among many foreign- and defense-policy elites.

,

This report provides empirical evidence on the deterrent effects of U.S. overseas military forces. It investigates how these effects might vary by the type, size, and location of these forces. The analyses provide the clearest evidence in support of the deterrent effect of heavy ground forces, particularly when deployed near but not directly bordering potential adversaries. The analyses show that the more mobile forces are, the less evidence there is of a deterrent effect. The report also assesses the effects of the deployment of U.S. forces during crises, finding that, although they can help avoid escalation and maintain the status quo, they are not necessarily well suited to altering the long-term strategic dynamics between states.

目录
  • Chapter One

    Introduction

  • Chapter Two

    Debates over the Deterrent Impact of U.S. Forces

  • Chapter Three

    General Deterrence

  • Chapter Four

    Crisis Deterrence

  • Chapter Five

    1961 Berlin Crisis

  • Chapter Six

    Operation Vigilant Warrior

  • Chapter Seven

    Conclusion and Policy Implications

  • Appendix A

    General Deterrence Models

  • Appendix B

    Crisis Deterrence Models

主题Military Facilities ; Military Force Deployment ; Military Strategy ; United States Army
URLhttps://www.rand.org/pubs/research_reports/RR2533.html
来源智库RAND Corporation (United States)
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资源类型智库出版物
条目标识符http://119.78.100.153/handle/2XGU8XDN/524003
推荐引用方式
GB/T 7714
Bryan Frederick,Stephen Watts,Matthew Lane,et al. Understanding the Deterrent Impact of U.S. Overseas Forces. 2020.
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