Fionna S. Cunningham, "Under the Nuclear Shadow: China's Information-Age Weapons in International Security" (Princeton UP, 2024)
Jan 9, 2025
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Fionna S. Cunningham, an Assistant Professor at the University of Pennsylvania, focuses on technology and conflict, particularly regarding China. She dives into how China navigates the complexities of military force without escalating to nuclear war. Cunningham introduces her theory of 'strategic substitution,' emphasizing China’s innovative use of information-age weapons like cyber operations and precision missiles. Drawing from original sources and expert interviews, she offers an eye-opening perspective on China's military modernization and its implications for global security.
China's strategic substitution utilizes information-age weapons like cyber operations and precision missiles to navigate limited warfare without nuclear escalation.
The effectiveness of China's military modernization remains uncertain, balancing efforts between advanced capabilities and the risks of miscalculation in conflicts.
Deep dives
The Limited War Dilemma and Taiwan Straits Crisis
The limited war dilemma refers to the challenge faced by nuclear-armed states in using military forces to achieve political objectives without provoking catastrophic nuclear conflict. China's experience with this dilemma began during the 1995-1996 Taiwan Straits crisis, when the United States intervened in a territorial dispute involving Taiwan. The crisis highlighted that any military action taken by China regarding Taiwan could elicit a nuclear response from the U.S., fundamentally shifting China’s perspective on warfare. Consequently, China realized the importance of finding a strategy to navigate military threats while considering the risk of nuclear escalation.
Strategic Substitution as a Response
China's approach to the limited war dilemma has involved a concept referred to as strategic substitution, which aims to utilize non-nuclear weapons that can still threaten escalation in a conflict. This strategy pairs provocative non-nuclear attacks with a nuclear deterrent that only responds if an adversary uses nuclear weapons. Unlike more conventional responses such as nuclear first use or the threat of decisive conventional victories, strategic substitution allows China to avoid direct escalation while still signaling power. The effectiveness of this approach relies on careful selection of weapons that can create strategic effects, thereby manipulating risks associated with nuclear responses.
Information Age Weapons and Their Implications
The discussion of information age weapons extends to three key capabilities that China has embraced as part of its strategic substitution: precision conventional missiles, offensive cyber capabilities, and counter space capabilities. These weapons are designed to have significant strategic effects, challenging adversaries’ military frameworks while remaining below the threshold of nuclear engagement. For instance, precision conventional missiles can target critical military sites, while cyber operations can disrupt enemy networks. Each of these capabilities plays a distinct role in enhancing China’s military potential without directly escalating to nuclear conflict, offering a balance of deterrence and aggression.
Evaluating China's Strategy and Future Directions
The effectiveness of China’s strategic substitution has been mixed, acting as a stopgap rather than a definitive solution to the limited war dilemma. While China has made advances with its conventional missile capabilities, the uncertainty around offensive cyber operations raises questions about the overall credibility of its coercive strategy. Furthermore, China’s counter space weapons have created significant concern among adversaries, impacting U.S. military planning in space. However, it is still unclear whether this approach will provide sustainable leverage or if China will ultimately shift to a more traditional strategy as its military capabilities evolve.
How can states use military force to achieve their political aims without triggering a catastrophic nuclear war? Among the states facing this dilemma of fighting limited wars, only China has given information-age weapons such a prominent role. While other countries have preferred the traditional options of threatening to use nuclear weapons or fielding capabilities for decisive conventional military victories, China has instead chosen to rely on offensive cyber operations, counter-space capabilities, and precision conventional missiles to coerce its adversaries.
In Under the Nuclear Shadow: China's Information-Age Weapons in International Security(Princeton UP, 2024), Fiona Cunningham examines this distinctive aspect of China’s post–Cold War deterrence strategy, developing an original theory of “strategic substitution.” When crises with the United States highlighted the inadequacy of China’s existing military capabilities, Cunningham argues, China pursued information-age weapons that promised to provide credible leverage against adversaries rapidly.
Drawing on hundreds of original Chinese-language sources and interviews with security experts in China, Cunningham provides a rare and candid glimpse from Beijing into the information-age technologies that are reshaping how states gain leverage in the twenty-first century. She offers unprecedented insights into China’s military modernization trajectory as she details the strengths and weaknesses of China’s strategic substitution approach. Under the Nuclear Shadow also looks ahead at the uncertain future of China’s strategic substitution approach and briefly explores too how other states might seize upon the promise of emerging technologies to address weaknesses in their own military strategies.
Our guest today is Fiona S. Cunningham, an assistant professor of political science at the University of Pennsylvania.