New Report Released by the Federation of American Scientists
Understanding the Dragon Shield: Likelihood and Implications of Chinese Strategic Ballistic Missile Defenses
Last
week, Chinese President Xi Jinping made his first official state visit
to Washington, DC. While he discussed many important issues with
President Barack Obama and Congressional leaders, an important issue
that was not adequately addressed was serious U.S.-Chinese dialogue on
strategic nuclear issues. To help with an essential aspect of that
dialogue, FAS releases, today, the report Understanding the Dragon Shield: Likelihood and Implications of Chinese Strategic Ballistic Missile Defenses by Bruce W. MacDonald (Adjunct Senior Fellow at FAS) and Charles D. Ferguson (President of FAS).
While China has received growing attention for modernizing and expanding
its strategic offensive nuclear forces over the last ten years, little
attention has been paid to Chinese activities in developing ballistic
missile defenses (BMD). Ever since the end of the Cold War, U.S.
security policy has largely assumed that only the United States would
possess credible strategic ballistic missile defense capabilities with
non-nuclear interceptors. This tacit assumption has been valid for the
last quarter century but may not remain valid for long. Since 2010,
China has been openly testing missile interceptors purportedly for BMD
purposes, but also useful for anti-satellite (ASAT) weapons. Motivated
to understand the strategic implications of this testing and to learn
Chinese views, Prof. MacDonald and Dr. Ferguson have had extensive
discussions with more than 50 security experts in China and the United
States.
Based on these discussions and their analysis of possible incentives and
disincentives for China to develop and potentially deploy BMD, they
have found:
- Chinese
development of strategic BMD is ongoing and is helping China to
understand the complexities and nuances of designing such a system and
what its weak points are, regardless of whether they decide to deploy
such a BMD system. Also, this development provides an important hedging
option for China against an uncertain and evolving future strategic
environment.
- At
a minimum, it appears that a Chinese deployment of strategic BMD is
probably less unlikely than most U.S. defense analysts have in the past
assessed.
- Should China decide to deploy such defenses, the most likely reasons would be to:
- Provide
a plausible cover to continue testing its kinetic energy ASAT system.
This suggests that a thin, regional/nationwide defense would be more
likely than a point defense, though the latter cannot be ruled out.
Point defense would not provide much cover for an ASAT testing program.
- Send
a strategic message to India, Japan, and the United States, in that
order, that China is capable of defending itself and overcoming major
technical obstacles to do so.
- Obtain
important operational understanding of BMD systems for their own use
and to better understand the systems that others may have or may
develop.
- Enhance
its regional prestige and sway, gaining a “technological merit badge”
of recognition for achieving such a difficult technological task
- Should
China decide to deploy strategic BMD, limited deployment levels appear
to be more likely than larger levels, given the relatively high cost for
a large system; furthermore, even were it to ultimately deploy larger
levels, China would want to gain more experience in what (for them)
would be a new class of weapons.
- The
incremental cost to China of a limited deployment of strategic BMD as
part of its overall R&D program would probably be modest compared to
the security benefits China would receive, even taking some political
drawbacks into account. Accordingly, the odds seem fairly good that
China will make at least a limited deployment of strategic BMD in the
near- to mid-term, though this is not certain.
- To
the extent that any U.S. programmatic changes would be needed for
political reassurance reasons, there are a number of options available
to the United States, particularly in strategic BMD penetration aids and
enhancements to the bomber leg of the triad, which should suffice. The
United States would likely have no technical reason to make any
significant adjustments to its strategic posture in response to
plausible levels of Chinese strategic BMD deployments, should they take
place. The U.S. strategic nuclear posture and forces are robust and are
able to deal with such deployments.
- A
Chinese move to deploy early warning satellites would be a significant
indicator of greater interest in strategic BMD deployment, as it would
be a crucial component of an effective strategic BMD system. Such
satellites would not be necessary for a purely ASAT-testing-oriented
deployment.
This
report was developed under work supported by the Naval Postgraduate
School (NPS) Project on Advanced Systems and Concepts for Countering WMD
No. N00244-14-1-0035 awarded by the NAVSUP Fleet Logistics Center San
Diego (NAVSUP FLC San Diego), with funding from the Defense Threat
Reduction Agency (DTRA). The views and conclusions contained in the
report are those of the authors and should not be interpreted as
necessarily representing the official policies, either expressed or
implied, of NPS, NAVSUP FLC San Diego, or DTRA. |
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