There is a comforting fiction at the heart of much contemporary strategic thinking: conventional military capabilities can substitute for nuclear deterrence without requiring the same political will. It is a neat idea—reassuring, technologically optimistic, and politically convenient. It is also dangerously wrong.

Deterrence does not reside in platforms, precision, or posture. It resides in belief—specifically, the adversary’s belief that you are both capable of inflicting costs and willing to do so. Strip away that second element, and deterrence collapses into theater.

This is the central problem confronting Australia and its allies as they navigate a rapidly shifting Indo-Pacific security environment. As nuclear risks grow, particularly with China’s expanding arsenal, there has been a noticeable intellectual pivot toward elevating conventional capabilities as a more “usable,” credible, and politically palatable form of deterrence. Long-range strike, autonomous systems, undersea warfare, and advanced ISR are all presented as tools that can impose meaningful costs without crossing the nuclear threshold.

However, this argument only holds if those tools are used. Too often, the debate stops at capability acquisition. Billions are spent, platforms are announced, doctrines are drafted. Yet, there is a conspicuous silence when it comes to the harder question: under what circumstances would Australia employ these capabilities in anger? What thresholds trigger their use? What risks are we prepared to accept in doing so?

Without clear answers, the signal sent to adversaries is not strength, but hesitation. Consider the logic from the perspective of a competitor. If Australia invests heavily in long-range strike but avoids articulating when it would employ it, an adversary may conclude that those capabilities are politically constrained. If grey-zone coercion, such as the deployment of sea mines, harassment of maritime assets, or interference with undersea infrastructure, does not elicit a forceful response, then the lesson learned is not deterrence, but permissiveness.

In this sense, ambiguity is not always stabilizing. It can just as easily invite probing. The uncomfortable reality is that conventional deterrence demands a level of resolve that many policymakers are reluctant to acknowledge. Unlike nuclear weapons, whose very horror lends them a paradoxical clarity, conventional forces sit in a murkier space. They are more usable, but precisely for that reason, credibility hinges on demonstrated willingness.

A missile that will is restricted from use is not a deterrent. A submarine that will not be deployed into contested waters does not shape adversary behavior. A cyber capability that remains permanently in reserve does not impose costs. Deterrence, in the conventional domain, is performative. It must be signaled, exercised, and at times demonstrated.

This does not mean recklessness or a rush to escalation. It means recognizing that deterrence is not cost-free. If the objective is to prevent adversary action, then one must be prepared to act before the situation becomes intolerable. Waiting until costs are imposed on you, economically, militarily, or politically undermines the very logic of deterrence. This is where much of the current discourse falls short. There is a tendency to treat conventional capabilities as inherently stabilizing, as though their mere existence alters adversary calculations. But capabilities without credible intent are inert. Worse, they can create a false sense of security, masking the erosion of deterrence beneath a veneer of preparedness.

The challenge is particularly acute for middle powers like Australia, which rely heavily on alliances and extended deterrence. As questions grow around the credibility of U.S. nuclear guarantees, especially in a more contested and multipolar environment, there is an understandable desire to bolster national self-reliance through conventional means. This is a sensible objective. But it cannot be achieved through hardware alone.

If conventional forces are to serve as a substitute or even a supplement to nuclear deterrence, then they must be embedded within a clear framework of political resolve. This requires more than capability development. It requires declaratory policy, strategic signaling, and a willingness to accept escalation risks.

For example, if the laying of sea mines in Australian waters is deemed unacceptable, then that must be stated clearly and backed by a credible commitment to respond with force if necessary. Anything less invites incremental encroachment. Over time, such encroachment normalizes behaviors that would once have been considered intolerable.

History offers ample evidence of this dynamic. Deterrence erodes not in dramatic moments, but through a series of small, unchallenged actions that cumulatively shift the baseline of what is acceptable. By the time a clear red line is crossed, it is often too late as the adversary has already recalibrated expectations.

The solution is not to abandon conventional deterrence, but to take it seriously. This means confronting uncomfortable questions. Are we prepared to use long-range strike capabilities against an adversary’s military assets in the initial stages of a crisis? Would we target grey-zone actors operating below the threshold of armed conflict? How do we signal our intentions without triggering the very escalation we seek to avoid? There are no easy answers, but avoiding the questions altogether is not a strategy, it is an abdication.

Ultimately, deterrence is about shaping perceptions. It is about convincing an adversary that the costs of action will outweigh the benefits. This cannot be achieved through ambiguity alone, nor through capability acquisition in isolation. It requires a coherent integration of means, messaging, and above all else, will.

If policymakers are unwilling to countenance the use of conventional force, then they should be honest about the implications. In such a scenario, conventional capabilities do not replace nuclear deterrence; they merely decorate its absence.

The risk is not just strategic failure, but strategic surprise. An adversary that perceives a gap between capability and intent will exploit it; once that perception is formed, it is exceedingly difficult to reverse.

Deterrence, in the end, is a test of credibility and resolve. It is not measured by what you possess, but by what an adversary believes you will do. In strategic competition, credibility is not claimed; it is proven and without resolve, deterrence is nothing at all.

Natalie Treloar is the Australian Company Director of Alpha-India Consultancy, a Senior Fellow at the Indo-Pacific Studies Center (IPSC), a Senior Analyst at the National Institute for Deterrence Studies (NIDS), and a member of the Open Nuclear Network. Views expressed in this article are the author’s own.

Deterrence Without Resolve Is No Deterrence at All was originally published on Global Security Review.

That gap undermines American extended deterrence because Washington cannot reassure allies or deter aggressors without accounting for South Asia’s threat calculus. AI arms developments in this region stem from colonial legacies and mistrust of great power intentions, creating a volatile strategic environment.

India’s Governance Innovation in Defense AI

India’s governance model integrates civilian oversight with defense research and ensures ethical deployment of AI. The Responsible AI Certification Pilot evaluated algorithms for explainability before clearance. Its National Strategy for AI mandates ethical review boards for dual-use systems. Developers must document bias-mitigation measures and escalation pathways. Embedding accountability at design phase stabilizes deterrence signals by reducing inadvertent algorithmic behaviors.

The Evaluating Trustworthy AI (ETAI) Framework advances defense AI governance. It enforces five principles: reliability, security, transparency, fairness, privacy, and sets rigorous criteria for system assessment. Chief of Defense, Staff General Anil Chauhan, stressed resilience against adversarial attacks, highlighting the challenge of balancing effectiveness and safety. By mandating continuous validation against evolving threat scenarios, ETAI prevents mission creep and maintains operational integrity under stress.

India’s dual use by design philosophy embeds safeguards within prototypes from inception. This contrasts with reactive models that regulate AI after deployment. Civilian launch-authorization channels separate political intent from technical execution, ensuring decisions remain under human control and reinforcing credibility in crisis moments. Regular red-team exercises involving independent experts further validate system robustness and reduce risks of false positives in autonomous targeting.

Strengthening Extended Deterrence through Cooperation

US-India collaboration on AI verification can reinforce extended deterrence by aligning technical standards and testing protocols. The iCET fact sheet outlines secure information sharing and joint safety trials. Launched in January 2023, iCET has already enabled co-production of jet engines and transfer of advanced drone technologies. Building on this foundation, specialized working groups could develop common benchmarks for adversarial-resistance testing and automated anomaly detection.

A Center for Strategic and International Studies report recommends a trilateral verification cell blending American evaluation tools with India’s ethical reviews. Joint trials of autonomous air-defense algorithms would demonstrate interoperability and resolve. A shared “AI Red Flag” system would alert capitals to anomalous behaviors and reduce strategic surprise. Embedding cryptographically secure logging of decision path data ensures an immutable audit trail for post-event analysis and confidence building.

The INDUS-X initiative, launched during Prime Minister Narendra Modi’s 2023 US visit, integrates responsible AI principles into defense innovation. By aligning standards, both countries ensure AI systems enhance strategic stability rather than undermine it. Expanding INDUS-X to include scenario-based wargaming with allied partners can stress-test ethical frameworks and calibrate thresholds for human intervention under duress. This model can extend under the Quad framework, pressuring authoritarian regimes to adopt transparency measures.

Institutionalizing Global AI Arms Control

A formal arms control dialogue should adopt India’s baseline standards for ethical AI governance. The UNIDIR report calls for universal bias audits and incident-reporting obligations to prevent unintended escalation. Carnegie scholars propose a tiered certification process under a new protocol for autonomous systems within the Convention on Certain Conventional Weapons, requiring peer review of algorithms before deployment. Embedding such certification in national export-control regimes would create global incentives for adherence.

The UN General Assembly has established an Independent AI Scientific Panel and a Global Dialogue on AI Governance to issue annual assessments on risks and norms. This mechanism can evaluate military AI applications and recommend confidence-building measures. Procedural transparency would coexist with confidentiality requirements, balancing security with mutual reassurance. Regular joint workshops on risk-assessment methodologies can diffuse best practices and diffuse mistrust among major powers.

Regional Applications and Future Prospects

India’s responsible AI framework must inspire regional adoption and confidence-building measures. Pakistan and China should engage transparency initiatives to prevent dangerous asymmetries in AI capabilities. Proposed measures include joint research on AI safety, shared performance databases, and collaborative development of detection algorithms.

Successful tests of India’s hypersonic ET-LDHCM system, capable of Mach 8 and a 1,500-kilometer range, underscore the urgency of governance frameworks before fully autonomous weapons deploy. The Quad’s model of Indo-Pacific cooperation provides a template for multilateral norms on responsible AI in defense. Extending these norms to confidence-building measures such as pre-deployment notifications and automated backchannels can reduce the risk of inadvertent escalation.

Looking ahead to the United Nations General Assembly meeting on AI governance in September 2024, American policymakers can leverage India’s experience. Joint verification exercises and an ethical audit regime will establish global norms for military AI. Integrating lessons from ETAI and iCET into the assembly’s resolutions can produce enforceable standards that bind both democratic and authoritarian states. This approach will reaffirm American extended deterrence and help prevent destabilizing AI-driven arms races worldwide.

By demonstrating that ethical AI development strengthens rather than weakens deterrence credibility, India’s model provides both technical solutions and normative frameworks for managing the military applications of artificial intelligence. Sustained international cooperation on these principles is pivotal for securing strategic stability in a rapidly evolving technological landscape.

Vaibhav Chhimpa is a researcher who previously worked with the Department of Science & Technology (DST), India. Views expressed are the Author’s own.

The Artificial Intelligence (AI) Arms Race in South Asia was originally published on Global Security Review.

These unmanned and precision attacks targeted strategic locations, ranging from early warning radar sites to critical military installations. They did not provoke the feared nuclear response. Instead, these operations exposed a new threat calculus where persistence, precision, and the power of perception are paramount.

Recent analyses suggest that such drone operations contributed to shifting risk assessments within adversary states, where even a 10 percent to 15 percent error in perception could lead to miscalculation. American nuclear strategists now contend with an urgent need to rethink deterrence as the boundary between conventional and nuclear erodes.

Spectral Shifts: Rethinking Strategic Assumptions

For decades, American nuclear strategy hinged on the assumption that any conventional attack on nuclear command and control assets would inevitably trigger a nuclear counter-response. Data from Cold War–era exercises and subsequent real-world incidents reinforced this mindset among defense planners. Ukraine’s repeated drone strikes on sensitive Russian assets, including radar installations integral to Russia’s early warning systems, force a reconsideration of long-held assumptions.

The Kremlin’s response is notably restrained, treating these incursions as manageable costs rather than triggers for nuclear escalation. This strategic restraint, observed in multiple public and classified communications from Moscow, signals that deterrence may now rely less on the brute force of nuclear capability and more on the sophistication of targeting and intent. The takeaway for modern policymakers is that deterrence must now incorporate a broader array of factors, including technology-driven precision and the adversary’s threshold for escalation.

Phantom Impact: Redefining Strategy Beyond Nuclear Might

The era when the primary measure of strategic impact was synonymous with nuclear firepower is ending. Ukraine’s innovative use of low-cost, high-precision drones demonstrates that small platforms can disrupt traditional security calculations. Recent reports from defense think tanks estimate that the unit cost of drone operations is less than 1 percent of what a conventional fighter aircraft mission might cost, yet their operational impact in terms of intelligence and tactical disruption is comparable in key areas.

These drones infiltrate deep into adversary territory and strike high-value military and economic assets once presumed invulnerable. Such operational dynamics challenge the long-standing monopoly of nuclear-armed states over credible homeland threats. American planners must now recalibrate their threat models to integrate non-nuclear options, recognizing that the future of strategic impact is both more economical and more technologically complex than ever before.

Haunted Homelands: The Crumbling Illusion of Sanctuary

During the Cold War, vast distances, natural barriers, and the geographic isolation provided by oceans created the comforting illusion that major powers could enjoy an impenetrable sanctuary. Today, that illusion is crumbling. Ukraine’s drone operations are a vivid demonstration that even regions thought to be well-protected can be penetrated. Attacks targeting Russia’s early warning networks, critical oil infrastructure, and military bases reveal that no area can rest on its laurels.

American infrastructure, ranging from energy grids to communication systems and early warning radars, face elevated risks in an age of highly agile autonomous systems. Consider that the global market for unmanned aerial vehicles is projected to reach nearly $50 billion by 2030. Considering this, there is an immediate imperative to overhaul homeland defense strategies. Rapid response protocols, increased situational awareness, and investment in counter-drone technologies are no longer optional. They are emerging as essential components of modern deterrence.

Phantom Signals: How Optics and Intent Drive Escalation

One of the most remarkable aspects of Ukraine’s campaign is its ability to secure tactical advantages without spiraling into uncontrolled escalation. The success of these drone strikes lies in their careful timing, precision, and measured execution. Ukrainian forces consistently space out operations and meticulously choose targets that convey national resolve without risking mass casualties. This dual messaging, delivering a tangible operational effect while sending a clear political signal, underscores a critical evolution in deterrence thinking.

Today, the optics and perceived intent behind an action can be as decisive as the physical impact. One analysis points out that misinterpretations of strategic intent now pose as much risk of inadvertent escalation as traditional force-on-force scenarios. For the United States, this means that developing clear, well-articulated signaling frameworks is crucial. Such frameworks must enable policymakers and military leaders to assert credible force while avoiding actions that might be misread as provocative by adversaries. In a world where every action is scrutinized and the margins for error are thinning, clarity in communication becomes a cornerstone of modern deterrence.

Ghosts in the Arsenal: Integrating Drones into Deterrence

Drones are transcending their traditional role on the battlefield and are emerging as indispensable strategic assets. Modern unmanned systems serve multiple roles, from surveillance and intelligence gathering to direct precision strikes against key targets. Their integration is revolutionizing how military operations are conducted without risking human life. Moreover, these systems have the added benefit of being less politically charged than manned strike platforms. However, their growing prominence also introduces the potential for miscalculation.

With investments in drone technology doubling over the past decade in many leading militaries, the United States must swiftly incorporate these assets into its overarching deterrence framework. This requires the formulation of robust policies that define the operational limits and acceptable contexts for drone employment, comprehensive training programs for commanders in escalation management, and public messaging that reinforces strategic resolve without escalating tensions. The rapid pace of technological adoption means that the window for effective integration is short, and strategic agility is paramount.

Phantoms of the Future: Recasting Deterrence in the Drone Age

Retaining U.S. strategic credibility in the coming decades will demand an evolution beyond a deterrence model solely anchored in nuclear might. Although nuclear forces remain critical, they are no longer the exclusive instruments that shape adversary behavior in today’s multidomain conflicts. The future of deterrence depends on a seamless strategy where nuclear and non-nuclear capabilities are coherently integrated. This entails developing a comprehensive national doctrine for drone utilization that explicitly defines clear thresholds for action, acceptable target sets, and robust escalation-management protocols. In parallel, efforts must focus on modernizing homeland defenses to counter the threat of long-range, autonomous drone attacks, especially in sectors such as space-based assets, energy, and telecommunications. Data from defense budget analyses show that if every NATO member met the 2 percent gross domestic product defense spending target, the alliance’s budget would increase by over $100 billion annually. Such investments, along with analogous U.S. initiatives to enhance technological resilience, are crucial if deterrence is to remain credible and effective in this new operational environment.

Final Haunting: Embracing the Ghostly Evolution of Deterrence

“Ghosts in the Skies” is not just a metaphor; it encapsulates the profound transformation underway in modern deterrence. Ukraine’s innovative use of drone technology is forcefully redefining the conventional wisdom that has long informed global security policy. This paradigm shift challenges entrenched assumptions and demands a rapid evolution of U.S. military strategy. In an era of hybrid threats and rapid technological change, our global security environment is more complex and interdependent than ever before. The future of deterrence will rely on the capacity to adapt swiftly, integrate non-linear threat responses, and build flexible defense systems that are as agile as the adversaries they are designed to deter. The message for policymakers is clear: embrace this ghostly evolution now, for in the emerging multidomain battlefield every misstep carries the risk of destabilizing not only regional security but also global order.

The transformation in deterrence prompted by Ukraine’s drone operations is a stark reminder that innovation in warfare can render old paradigms obsolete. As nations invest in cost-effective, high-precision autonomous systems, the calculus of deterrence will continue to shift, compelling the United States and its allies to rethink both doctrine and defense spending. In this new era, where even the faintest ghost can upend strategic balance, the ability to adapt and respond with agility will be the true measure of national security.

Brandon Toliver, PhD, serves on the A4 staff of Headquarters Air Force. The views expressed are those of the author alone.

Ghosts in the Skies: How Ukraine’s Drone Tactics Recast Modern Deterrence was originally published on Global Security Review.

Semiconductors: The Backbone of Cyber Power

Semiconductors enable the computing power that drives everything from commercial applications to military operations. Advanced chips are critical for AI, autonomous systems, and national security infrastructure. As nations race to secure technological dominance, control over semiconductor production becomes a central element of cyber deterrence.

The production of semiconductors is extraordinarily complex and relies on a global supply chain. No single country is self-sufficient in this domain. Manufacturing processes demand rare metals, precision tools, and expertise spanning Japan, the Netherlands, South Korea, Taiwan, and the United States. Companies like TSMC (Taiwan), Intel (United States), and Samsung (South Korea) dominate the field, with TSMC leading in advanced chip production. Advanced Semiconductor Materials Lithography (ASML), a Dutch company, monopolizes the production of extreme ultraviolet (EUV) lithography machines, critical for fabricating cutting-edge chips.

The Strategic Importance of Semiconductors

Semiconductors are more than just a commercial product—they are a strategic resource that nations leverage to project power in cyberspace. The United States has long recognized the importance of staying ahead in chip technology, aiming to maintain at least a two-generation lead over adversaries like China. This lead is not just about technological superiority but is also about cyber deterrence.

Cyber deterrence relies on the ability to defend, retaliate, or disrupt an adversary’s cyber capabilities. Advanced semiconductors provide the computational power necessary for AI-driven cybersecurity systems, intelligence gathering, and offensive cyber operations. For example, autonomous systems in modern warfare require sophisticated chips to function effectively. If a nation lacks access to such technology, its cyber capabilities are significantly weakened.

China’s Vulnerability and Response

China, despite being the second-largest economy and a global manufacturing powerhouse, has a surprising weakness in the semiconductor supply chain. It spends more on importing chips than oil and relies heavily on foreign suppliers, including its geopolitical rivals. This dependency creates a critical vulnerability in its cyber and AI ambitions.

Recognizing this weakness, China launched massive initiatives to achieve self-sufficiency in semiconductor production. However, the barriers to entry are steep. Manufacturing cutting-edge chips requires material purity at a level of 99.99999 percent, and even a minor defect can render a chip unusable. The complexity of the global supply chain further complicates China’s efforts. For instance, ASML’s EUV lithography machines, essential for advanced chip production, are legally restricted from being sold to China under export control agreements led by the United States.

China’s strategy focuses on targeting chokepoints in the supply chain while ramping up domestic production of less advanced chips. Success in this endeavor would significantly alter the balance of power in cyberspace, enabling China to compete more effectively in AI and cyber operations. However, for now, its reliance on foreign technology remains a significant deterrent.

US Strategy: Strengthening Deterrence Through Dominance

The United States took proactive steps to secure its dominance in semiconductor technology as part of its cyber deterrence strategy. Legislation like the 2022 CHIPS and Science Act provides billions in subsidies to bolster domestic chip production. The US also works to integrate government, industry, and academia to address challenges in manpower, education, and research and development.

The American approach to cyber deterrence is twofold. First, it seeks to maintain its technological edge by investing in leading-edge chips while ensuring a robust supply of legacy nodes for essential systems. Second, it actively restricts access to critical technologies for adversaries. For instance, since 2018, the export of EUV lithography machines to China has been prohibited, a move aimed at stalling China’s progress in advanced semiconductor manufacturing.

This strategy aligns with the broader geopolitical framework, where supply chain control becomes a tool for exerting influence. By leveraging its dominance in semiconductors, the US can deny adversaries the tools they need to compete in AI-driven cyber capabilities, thereby strengthening its cyber deterrence posture.

The Role of AI and Advanced Chips in Cyber Deterrence

AI is a cornerstone of cyber operations, from defensive systems that identify and mitigate threats to offensive tools that exploit vulnerabilities in adversarial networks. The power of AI is directly tied to the availability of advanced chips, which enable greater computational efficiency and data processing.

In the AI arms race, semiconductors are the critical enabler. Nations with access to advanced chips can train larger models, process more data, and deploy more sophisticated algorithms. Conversely, those lacking access are at a significant disadvantage. This dynamic emphasizes the importance of securing semiconductor supply chains as part of national cyber deterrence strategies.

Geopolitics and the Future of Cyber Deterrence

The geopolitical implications of semiconductor dominance extend beyond cyber operations. Control over the chip supply chain influences alliances, trade policies, and even the balance of power in global governance. Governments increasingly push nations and companies to choose sides, creating a polarized landscape.

The US and its allies currently hold a strong position, but the race is far from over. As China invests heavily in self-sufficiency, the stakes in the semiconductor arms race continue to rise. The future of cyber deterrence will depend on the ability of nations to secure their supply chains, innovate in chip technology, and adapt to the rapidly evolving landscape of AI and cybersecurity.

Conclusion

Semiconductors are not just a technological marvel—they are a strategic weapon in the cyber domain. As nations compete for supremacy, control over chip production and supply chains will play a pivotal role in shaping cyber deterrence strategies. The US, with its technological edge and integrated approach, aims to maintain its dominance, while China’s efforts to overcome its vulnerabilities will redefine the global order. In this high-stakes competition, the invisible hand of the market is guided by the visible hand of governments, ensuring that semiconductors remain at the heart of cyber power.

Adam Harris, PhD, is a career cyber professional who both practices the profession and teaches at the university level. The views expressed are his own.    

Cyber Deterrence in the Age of Semiconductors was originally published on Global Security Review.