Recent Publications

Parameters | Summer 2025
June 18, 2025 — Welcome to the Summer 2025 issue of Parameters. This issue consists of an In Focus special commentary, three forums (Indo-Pacific Challenges, Russia-Ukraine Issues, and Historical Studies)... MORE

Understanding, Deterring, and Preparing for a Great-Power War in the Twenty-First Century
August 6, 2025 — This integrated research project highlights gaps in the US Army’s understanding of, and preparations for, a great-power war in the twenty-first century. The project employs historical analysis to enhance Army leaders’ understanding of great-power wars, provides novel ways to improve US strategies for deterring a great-power war, and explores ways the United States can better prepare for a great-power war... MORE

Slide for Understanding, Deterring, and Preparing for a Great-Power War in the Twenty-First Century

Academic Year 2025–26 Annual Estimate of the Strategic Security Environment
July 9, 2025 — The United States faces a complex and ever-changing global environment. The Annual Estimate of the Strategic Security Environment is designed to guide the collective defense community to research and write about critical national security challenges to help the Army prepare for a wide range of potential conflicts and threats... MORE

Slide for the Academic Year 2025–26 Annual Estimate of the Strategic Security Environment

Book Review: Provoked: How Washington Started the New Cold War with Russia and the Catastrophe in Ukraine
July 1, 2025 — Billed by the reviewer as “must-read for military professionals who want to understand how the United States and Russia came to the precipice of war,” this book posits that the Washington bipartisan foreign policy consensus is to blame for the Russia-Ukraine War. Using US diplomats, bureaucrats, defense contractors, and politicians to make his point, Horton uses their work to argue for restraint when dealing with Russia. ... MORE

Cover for Provoked: How Washington Started the New Cold War with Russia and the Catastrophe in Ukraine

Book Review: The War for Ukraine: Strategy and Adaptation Under Fire
July 1, 2025 — Mick Ryan’s book The War for Ukraine: Strategy and Adaptation Under Fire examines Russia’s and Ukraine’s strategies and, and Ukraine’s NATO supporters, “exploring how the Russians and Ukrainians adapted during the war—on the battlefield and institutionally.” The book has two parts. Part one explores strategy. Part two discusses adaptation in the Russia-Ukraine War and includes points about adaptation for future wars. The reviewer sees it as a must-read saying, “The War for Ukraine is essential reading for civilian and military national security professionals. The strength of the book is Ryan’s unique blend of experience, education, and access.” ... MORE

Cover for The War for Ukraine: Strategy and Adaptation Under Fire

Russia's the Enemy
April 21, 2025 — The United States has never been directly involved in the war in Ukraine. U.S. troops weren’t sent there to fight for Ukraine against the Russian invaders, and both sides of our political spectrum seemed intent on keeping it that way. Russia remained in American foreign policy a challenge to be managed and a competitor, even an adversary.Through... MORE

Don’t waste this crisis, Europe: consolidate your defense industry
April 15, 2025 — Turn your excess national defense champions into continental ones.Russia’s ongoing war in Ukraine and questions about the American commitment to NATO have cast a spotlight on European efforts to safeguard security on the continent. But today, the major hurdles confronting Europe are no longer defense spending and industrial capacity. At both the... MORE

Don’t waste this crisis, Europe: consolidate your defense industry | Dr. John R. Deni

Parameters | Spring 2025
March 20, 2025 — Welcome to the Spring 2025 issue of Parameters. This issue consists of an In Focus special commentary, three forums (Russia, Ukraine, and NATO; Strategic Competition and Managing National Security; and Joint Sustainment Strategies), the regular Civil-Military Relations Corner installment, and a review essay... MORE

North Korea in Ukraine: Analyzing Authoritarian Cooperation
March 18, 2025 — The deployment of North Korean forces to Ukraine marks a critical inflection point in global security dynamics, challenging long-held assumptions about the limits of cooperation between authoritarian states. This development, unprecedented in its implications, reveals even absent formal alliances or ideological cohesion, the strategic realignment among authoritarian states has the potential to reshape the global order and future conflicts... MORE

North Korea in Ukraine: Analyzing Authoritarian Cooperation
Jake Rinaldi

8 Simmering Threats You Shouldn’t Ignore in 2025: A Plausibly Deniable Russian War Against Europe
January 2, 2025 — The sabotage of undersea communications cables in the Baltic Sea by the cargo ship Yi Peng 3 is only the latest in a series of asymmetric attacks against Western interests and infrastructure that appear to be connected in one way or another to Moscow. The Kremlin has clearly ratcheted up efforts to intimidate and coerce Europe, hoping to... MORE

A Plausibly Deniable Russian War Against Europe | John R. Deni, in Foreign Policy

Will Assad’s Defeat be Putin’s Waterloo?
December 10, 2024 — The narrative of Russia’s ascendancy in 2024 is beginning to look like more fiction than fact. The Assad regime in Syria has become a casualty of Moscow’s increasingly desperate efforts in Ukraine, and its collapse is a strategic and operational blow that undermines the narrative of Russia as ascendant, Kyiv as doomed, and Vladimir Putin as strategic mastermind. ... MORE

Will Assad’s defeat be Putin’s Waterloo? | John R. Deni

SSI Live 114 – The Role of European Allies in the Ukraine War
December 2, 2024 — America’s European allies have played a critical role in providing military assistance to Ukraine. Can Europeans maintain that effort or even increase it if the United States reduces its role? What lessons can the United States learn from the role of its European allies in this war, which might be applicable to future rounds of strategic... MORE