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11. Academic Year 2025–26 Annual Estimate of the Strategic Security Environment

Author:
US Army War College
Publication Date:
07-2025
Content Type:
Book
Institution:
The Strategic Studies Institute of the U.S. Army War College
Abstract:
Maintaining strategic advantage demands professional discourse from across the force. The Academic Year 2025–26 Annual Estimate of the Strategic Security Environment provides a framework for those aspiring to tackle the Department of Defense’s most pressing challenges. This year’s authors highlight trending challenges and identify potential tension points across 15 sections organized into four enduring themes. This survey of regional, domestic, and institutional challenges represents the collective expertise of the US Army War College. The narrative is supplemented by a tailored list of 100 command-sponsored questions from 43 different Army and Joint organizations from across the Department of Defense. Combined, the distinct yet complementary narrative and question list offer unique insights into the vital matters impacting defense organizations and provide aspiring researchers with a necessary starting point.
Topic:
NATO, Arms Control and Proliferation, Natural Resources, Budget, Deterrence, Artificial Intelligence, Xi Jinping, Strategic Competition, Defense Spending, People's Liberation Army (PLA), and Strategic Security
Political Geography:
Russia, China, Europe, Eurasia, Ukraine, Middle East, Asia, Latin America, and Indo-Pacific

12. Net-Zero and Nonproliferation: Assessing Nuclear Power and Its Alternatives

Author:
Henry D. Sokolski
Publication Date:
01-2024
Content Type:
Book
Institution:
Nonproliferation Policy Education Center
Abstract:
Six years ago, NPEC ran a mock execution of a law Congress passed in 1978 but that the Executive refused to implement —Title V of the Nuclear Nonproliferation Act of 1978. Title V called on the State and Energy Departments to conduct country-specific analyses of how developing states might best meet their energy needs without nuclear power. It also called for the creation of an energy Peace Corps and an assessment of what our government was spending on energy development aid-related projects. When NPEC started its efforts, the staff on the Senate Foreign Relations Committee asked to see what NPEC produced to use it to pressure the Executive finally to implement the law. NPEC commissioned a number of studies on how Iran, Saudi Arabia, China, and Taiwan might best meet their energy requirements without nuclear power. The center also contracted studies on the history and intent of Title V and on what government programs were already in play that aligned with Title V‘s stated objectives. As soon as NPEC’s project was completed, the Senate Foreign Relations Committee staff prepared a letter to Secretary of State Hillary Clinton asking the Secretary finally to implement Title V and file the reports required by law. Then, something unexpected occurred. The committee’s legal counsel discovered that the Secretary was under no obligation to comply: Congress had eliminated Title V’s reporting requirements along with several hundred other Congressionally mandated reports back in 1995. Flummoxed, I quietly set the book manuscript aside. Why, then, release it today? Because it is again timely. In October, the Biden Administration announced it is still considering extending civilian nuclear cooperation with Riyadh that would allow the Kingdom to enrich uranium — a process that can bring states within weeks of acquiring the bomb. Administration officials no longer question if Saudi Arabia really needs nuclear energy to meet its energy requirements. Shouldn’t they? Meanwhile, Taiwan’s presidential election this coming Saturday will, among other things, decide if Taiwan will build more nuclear reactors or not. Again, is new nuclear Taiwan’s best energy bet? As for China, the Pentagon has become increasingly concerned that the two “peaceful” fast breeder reactors and plutonium reprocessing plants Beijing is building will be used to make hundreds of bombs worth of weapons plutonium. One of the two fast breeder reactors is already operating. The question these dangerous nuclear activities raise is just how necessary they are to meet China’s energy requirements. Then, there’s Iran, which is intent on building reactors of Iranian design. It plans on expanding its nuclear power program from roughly one gigawatt electrical capacity to 11. Given Iran’s renewables potential and oil and gas reserves, how much sense does this make? Finally, in its efforts to achieve net zero, the Biden Administration has joined 20 other nations in pledging to triple global nuclear generation by 2050. Again, how practical is this? This volume’s aim is to help provide answers. Of course, in light of how long our government has ignored Title V, demanding it be implemented now would be odd. Creating a clean energy Peace Corps, comparing the costs of different types of energy, and trying to determine what investments would reduce emissions quickest and cheapest, however, all should be discussed. It’s my hope that the release of Net-Zero and Nonproliferation: Assessing Nuclear Power and Its Alternatives today might prompt such discussion.
Topic:
International Cooperation, Nuclear Power, Nonproliferation, Legislation, Energy, and Net Zero
Political Geography:
China, Iran, Middle East, Taiwan, Asia, Saudi Arabia, North America, and United States of America

13. Deterrence Gap: Avoiding War in the Taiwan Strait

Author:
Jared M. McKinney and Peter Harris
Publication Date:
01-2024
Content Type:
Book
Institution:
The Strategic Studies Institute of the U.S. Army War College
Abstract:
The likelihood China will attack Taiwan in the next decade is high and will continue to be so, unless Taipei and Washington take urgent steps to restore deterrence across the Taiwan Strait. This monograph introduces the concept of interlocking deterrents, explains why deterrents lose their potency with the passage of time, and provides concrete recommendations for how Taiwan, the United States, and other regional powers can develop multiple, interlocking deterrents that will ensure Taiwanese security in the short and longer terms. By joining deterrence theory with an empirical analysis of Taiwanese, Chinese, and US policies, the monograph provides US military and policy practitioners new insights into ways to deter the People’s Republic of China from invading Taiwan without relying exclusively on the threat of great-power war.
Topic:
Foreign Policy, International Security, Deterrence, and Cross-Strait Relations
Political Geography:
China, Taiwan, Asia, United States of America, and Indo-Pacific

14. International Competition in the High North: Kingston Conference on International Security 2022

Author:
Michael E. Lynch and Howard Coombs
Publication Date:
01-2024
Content Type:
Book
Institution:
The Strategic Studies Institute of the U.S. Army War College
Abstract:
The 16th annual Kingston Consortium on International Security conference, “International Competition in the High North,” took place on October 11–13, 2022, in Kingston, Ontario, Canada. The conference examined the Arctic region in the context of ongoing climate change and against the backdrop of war in Ukraine. Over the past several years, the United States has acknowledged the growing importance of the Arctic as a strategic region, and the Department of Defense and each of the US military services have published Arctic policies or strategies. In addition, the Department of Defense has created a new regional study center, the Ted Stevens Center for Arctic Security Studies in Alaska. Canada and the other Arctic Council nations have also acknowledged the growing importance of the Arctic region and revised strategic frameworks and changed institutional approaches to ensure Arctic security challenges arising from great-power competition and other threats, like those to the environment, are addressed. This volume captures these ideas for the United States and its allies so all can benefit from this experience.
Topic:
Defense Policy, NATO, Climate Change, Indigenous, Strategic Competition, Arctic Council, Military, Dual Use Infrastructure, Environmental Security, and North American Aerospace Defense Command (NORAD)
Political Geography:
China and Arctic

15. Decisive Decade: PRC Global Strategy and the PLA as a Pacing Challenge – 2023 PLA Conference

Author:
George R. Shatzer and Joshua Arostegui
Publication Date:
04-2024
Content Type:
Book
Institution:
The Strategic Studies Institute of the U.S. Army War College
Abstract:
The US Army War College’s 2023 Conference on the People’s Liberation Army (PLA) was held February 22 to 24, 2023, at Carlisle Barracks, Pennsylvania. The conference, entitled “Decisive Decade: PRC Global Strategy and the PLA as Pacing Challenge,” featured presentations on PRC global and regional strategy, and the PLA’s enabling role by experts from a wide range of academic, media, and government agencies and organizations. The conference papers better defined the notion of the PLA as a pacing challenge as evidenced by PRC strategies and activities in various regions to build a much stronger appreciation of how PLA operations in these locations matter to each other and the whole of the PRC’s broader national strategy. The event also included presentations on Chinese military deterrence and potential justifications for a cross-Strait conflict following US House Speaker Pelosi’s visit to Taiwan in August 2022. Specific topics included the PRC’s acceleration of military reforms and its extending reach; how the PRC can use various regional crises to justify military action against Taiwan; countering PRC military strength in Northeast Asia; and the PRC’s growing economic and security engagements with Latin America, Africa, South Asia, Russia, and Europe.
Topic:
Security, Bilateral Relations, Military, and People's Liberation Army (PLA)
Political Geography:
Russia, China, and Asia

16. Nuclear Danger and the NPT

Author:
Henry Sokolski
Publication Date:
06-2024
Content Type:
Book
Institution:
Nonproliferation Policy Education Center
Abstract:
Next month, the second Nuclear Nonproliferation Treaty (NPT) preparatory review conference will meet in Geneva. In anticipation of this international conference, NPEC is releasing Nuclear Danger and the NPT, an edited volume of research on what nuclear dangers await and how proper enforcement of the NPT can help. The hope is that the volume’s analysis will prompt constructive debate. It certainly is needed. Within ten years, there is a distinct possibility South Korea, Japan, the UAE, Egypt, Turkey, and Iran may decide to acquire nuclear weapons. After that, Algeria, Finland, Sweden, Ukraine, and Australia may be sorely tempted to do the same. More could follow. What is fueling these grim prospects? Several things: Growing Russian, Chinese, and North Korean nuclear capabilities and threats; Russian forward basing of nuclear weapons in Belarus; waning allied confidence in U.S. nuclear security guarantees; and an increasing acceptance of dangerous civilian nuclear activities that bring states to the brink of bomb-making. Legally, the NPT is supposed to prevent these troubles. The question is will it? Much depends on what major nuclear powers choose to do regarding their NPT commitments and how smaller, nonnuclear nations view the treaty. Nuclear Danger and the NPT is designed to help clarify what that requires. Earlier this year, NPEC released an occasional paper on the challenges of creating a nuclear weapons-free zone in the Middle East. Such challenges will surely be considered at the upcoming NPT review conference, but there will be more issues up for discussion. Attendees will likely debate the future of U.S. and Russian nuclear sharing arrangements, as well as the limits of what should be considered “peaceful” under the NPT. Iran’s threatened withdrawal from the treaty will also be a concern, as will China’s worries over the potential for Washington to redeploy nuclear weapons to South Korea or for Seoul to acquire its own nuclear weapons. The U.S. delegation is likely to raise complaints about China’s nuclear weapons build up and Beijing’s unwillingness to enter into good faith negotiations on effective nuclear controls. Finally, Russia’s assaults on Ukraine’s civilian nuclear systems and the legitimacy of such assaults are likely to be discussed. Nuclear Danger and the NPT covers all of these topics in depth. For hawks and doves, Washington insiders, and simply concerned citizens, it’s worth reading.
Topic:
Nuclear Weapons, Nonproliferation, Nuclear Energy, and Nonproliferation Treaty (NPT)
Political Geography:
Russia, China, Iran, South Korea, Global Focus, and United States of America

17. China, Russia, and the Coming Cool War

Author:
Henry Sokolski
Publication Date:
11-2024
Content Type:
Book
Institution:
Nonproliferation Policy Education Center
Abstract:
As the dust settles on the election, one thing is certain: there is going to be increased interest in expanding America’s nuclear arsenal. Whatever the merits of what that move might be, it’s hardly a complete strategy to cope with a long term strategic contest, Russia, China, and their proxies. That will require far more than any adjustment of our nuclear arsenal. What’s required? At the request of several national security officials and outside experts, NPEC is sharing its answer with today’s release of China, Russia, and the Coming Cool War available as an Amazon book. It consists of four chapters. The first sketches out what a long-term contest with China, Russia, and its proxies will demand. Although building up military might and using threats of massive destruction against our enemies were critical to winning the Cold War, in the coming cool contest, they will no longer serve as our top ace in the hole. Instead, the key levers will be keeping our key military, political, and commercial functions immune to attacks and communicating, protecting, sharing, and analyzing essential information on an unprecedented scale. Wars may be waged against nations but the aim increasingly will be to disable them without physically obliterating them. What, though, should we do about the growing nuclear threat? That’s the focus of the book’s next chapter, “Xi and Putin Are Building More Nukes: How to Compete.” It, in turn, is followed by “What Missile-driven Competition with China Will Look Like,” which was first released three years ago. The Pentagon recently confirmed this chapter’s predictions about China’s development of intercontinental conventional missiles by 2030. The chapter’s other forecasts and military and diplomatic proposals are still timely. This brings us to the book’s last chapter, “Can Self-Government Survive the Next Convulsion?” It examines the domestic political, economic, and social implications of pursuing this volume’s recommendations. What’s needed most is a geographic distribution of America’s critical military and financial infrastructure and demographic capital. Fortunately, this has already begun, driven by the COVID-19 pandemic, and aligns with America’s bent to spread and increase political power and wealth domestically. The book’s final section is an appendix consisting of an introduction Thomas Cochran and I co-authored for “China’s Civil Nuclear Sector: Plowshares to Swords?” — a three-year NPEC study of China’s nuclear weapons production potential. The Pentagon has cited this research in each of its annual Chinese military power assessments for the last three years running. The Pentagon has used the study to help explain why China is likely to acquire as many nuclear weapons in a decade as the United States currently has deployed. It was this projection, perhaps more than any other, that caused national security analysts to focus on what is likely to be a long-term strategic contest with China and its new ally, Russia. Paul Bracken, author of The Second Nuclear Age, reviewed the book: “China and Russia’s military buildups have far-reaching political and strategic consequences. Yet the US is not remotely prepared to cope either intellectually or with appropriate hardware. Henry Sokolski takes a major step forward here by analyzing these challenges and what we need to do about them.”
Topic:
Nuclear Weapons, Nonproliferation, Strategic Competition, and AUKUS
Political Geography:
Russia, China, and United States of America

18. Pretexts for War and the Preinvasion Crisis in Ukraine

Author:
Ron Gurantz
Publication Date:
12-2024
Content Type:
Book
Institution:
The Strategic Studies Institute of the U.S. Army War College
Abstract:
The US strategy in the run-up to the invasion of Ukraine appeared to undermine Russian efforts to justify the war. While studies of international crises typically focus on the goals of deterrence and escalation management, recent events in Ukraine show that counterjustification is another important objective. Russia used covert activities and deception to try and create a pretext for its invasion, and the United States aggressively countered these efforts. This monograph presents an exhaustive study of the US military, diplomatic, and informational strategy in the run-up to the invasion of Ukraine and derives lessons about counterjustification that can be applied in future crises. The study should help military officers and government officials develop effective counterjustification tactics.
Topic:
Crisis Management, Deterrence, and Russia-Ukraine War
Political Geography:
Europe and Ukraine

19. Bargaining for Justice: Ukraine, Gaza, and the Ethics of Conflict Termination

Author:
C. Anthony Pfaff
Publication Date:
09-2024
Content Type:
Book
Institution:
The Strategic Studies Institute of the U.S. Army War College
Abstract:
As wars in Ukraine and Gaza continue with little end in sight, the sense of urgency to determine how they should end is increasing, given how the wars could end. A just war aims to establish a better state of peace, but a better state of peace may not always be achievable, and even when it is achievable, it may not be good enough. When that is the case, actors must determine on what terms to settle, given what they think they can achieve based on relative capabilities and cost tolerances. The resulting “maximin” solution, a practical approach where actors maximize the minimum they can achieve, provides a range of solutions. But taking only these factors into account is not likely to produce an enduring or more perfect peace. To get to a “good enough” state of peace, justice concerns—in this case framed by the just-war tradition—play a role. By impacting what counts as costs and benefits and placing boundaries on what actors should accept independently of those costs and benefits, the just-war tradition can help actors construct more durable settlements. The experiences in Ukraine and Gaza further illustrate gaps in the just-war tradition, which this book also addresses.
Topic:
Conflict Resolution, International Humanitarian Law (IHL), Russia-Ukraine War, Just War, and 2023 Gaza War
Political Geography:
Europe, Ukraine, Middle East, Palestine, and Gaza

20. The Role of America’s European Allies in the Russia-Ukraine War, 2022–24

Author:
John R. Deni and Lisa A. Aronsson
Publication Date:
09-2024
Content Type:
Book
Institution:
The Strategic Studies Institute of the U.S. Army War College
Abstract:
What more can US allies in Europe do to assist Ukraine militarily? More broadly, what can the United States expect from its closest allies in Europe in strategic competition with Russia and China? In this monograph, John R. Deni and Lisa A. Aronsson assess whether US allies and partners in Europe can continue providing military assistance to Ukraine or expand assistance, while preserving their own national security and fulfilling their NATO commitments. They also explore what the Russia-Ukraine War reveals about the role of European allies in future iterations of strategic competition. Their findings indicate European allies remain firmly in support of assisting Ukraine politically, even if the reasons for allied support vary across Europe. Despite agreeing support is necessary, European allies face several hurdles on the path toward scaling up military assistance to Ukraine. The reasons for the hurdles vary, and some exceptions exist, but Deni and Aronsson find without continued, sustained US engagement, leadership, and presence in Europe, Washington may find itself with few European allies by its side. To facilitate and sustain continued success in transatlantic burden sharing, the authors provide several practical recommendations for US policymakers to consider.
Topic:
NATO, Military Aid, Allies, Russia-Ukraine War, Security Cooperation, and Burden Sharing
Political Geography:
Russia, Europe, Ukraine, North America, and United States of America