ken-waltz

My Realist Journey, Part 3: Strategy After Hiroshima (State of Doom).

Barry Scott Zellen, PhD Books, History, Liberty, Philosophy, Politics , , , , , , , ,

As I updated and expanded my States of Mind series in the 2000s and 2010s, I found the need for a fourth, then a fifth, then a sixth, and finally a seventh volume to complete my treatise. What became volume 5 was an outgrowth of volume 3 (State of Awe), drilling in on the nuclear age which had culminated in volume three my with discussion of order in the age of total war.

While this was indeed, a single era as war industrialized and later nuclearized, achieving absoluteness in its destructiveness, I felt both the need and the desire to explore the nuance of the nuclear age, in part in homage to Waltz whose neorealism, like Brodie’s deterrence theory, sought to tame the terror of the nuclear age (and did for a little while).

Both can be thought of as nuclear realists, but as I wrote, I came to find the literature on neorealism rather light and lacking in substance, while the literature on nuclear strategy was refreshingly complex and nuanced and provided the true foundation of the nuclear order (a dangerously brittle one that collapsed like a house of cards under the unforeseen massing of Gandhian people power in Eastern Europe and the Soviet Union.)

My 600-page dissertation, Bernard Brodie and the Bomb: At the Birth of the Bipolar World (published in book form in 2011 by Continuum (now Bloomsbury) as the much shortened (by 300 pages!) State of Doom: Bernard Brodie, the Bomb, and the Birth of the Bipolar World), stands as a definitive professional biography and philosophical investigation of one of the 20th century’s most vital strategic minds. It explores how Bernard Brodie (1910–1978) earned his reputation as “America’s Clausewitz” or the “Clausewitz of the Nuclear Age.” 

By tracing Brodie’s intellectual journey from his pre-World War II writings on naval engineering to his foundational texts on atomic deterrence and his late-career work translating Carl von Clausewitz’s classic On War, it reveals the existential dilemma of the modern era: How can a state utilize military force for political objectives when the weapons at its disposal threaten total planetary destruction? Brodie answered these questions, which were left unanswered, uncomfortably so, by Waltz’s neorealism (which left all the heavy lifting to the imagined “system,” as if a cult or new religion structured upon God’s grace and infinite wisdom.)

Introduction: The Strategic Crucible of the Bipolar World

I frame his exploration around the transition from a multipolar global system to the rigid, highly tense bipolar structure of the Cold War. In this landscape, the United States and the Soviet Union faced an unprecedented security environment defined by the “balance of terror.” At the center of this transformation was Bernard Brodie. As one of the first civilian defense intellectuals to bridge the gap between academia and military policy—most notably through his long tenure at the RAND Corporation—Brodie fundamentally redefined the purpose of military force.

My core thesis is that Brodie’s intellectual life was a lifelong project to reconcile classic military theory with technological shifts. When the splitting of the atom yielded the absolute weapon, traditional concepts of victory, total mobilization, and kinetic warfare were shattered. Throughout his career, Brodie fought to bring politics back into command of military strategy, preventing the machine of war from triggering a global apocalypse.

Before the Bomb: Sea Power and Technological Determinism

Before becoming the premier architect of nuclear strategy, Brodie was a scholar of naval history and sea power.  I emphasize that understanding Brodie’s early work is essential, as it established his analytical framework for evaluating how technological paradigm shifts alter strategic realities.

Sea Power in the Machine Age (1941)

Brodie’s first major academic contribution analyzed the profound transition of naval warfare during the industrial revolution. He tracked four great technological revolutions that fundamentally altered naval architecture and strategy:

  1. The transition from sail to steam propulsion.
  2. The replacement of wooden hulls with iron and steel armor plating.
  3. The evolution from solid shot to explosive shells and rifled ordnance.
  4. The introduction of submarine warfare and the torpedo.

Brodie observed that military establishments are historically slow to grasp the true strategic implications of new inventions. Tacticians often attempt to force revolutionary technologies into outdated operational doctrines. I highlight this as Brodie’s first encounter with technological determinism—the idea that technology drives changes in human history and warfare, requiring an equal revolution in strategic thought to prevent catastrophe.

A Layman’s Guide to Naval Strategy (1942)

Published right after the attack on Pearl Harbor, this book established Brodie as a clear-eyed strategic communicator. It arrived at a moment when many critics believed the airplane had rendered the surface fleet obsolete.

Brodie took a nuanced, balanced view. He argued that while air power changed the tactics of naval engagement, it did not change the fundamental strategic purpose of sea power: the control of maritime lines of communication. This early insight previewed his nuclear-era philosophy—technological leaps change the means and costs of warfare, but they do not automatically erase basic geopolitical realities.

The Absolute Weapon: The Invention of Nuclear Deterrence

The atomic bombings of Hiroshima and Nagasaki in August 1945 completely upended Brodie’s strategic worldview. Within months of these events, Brodie edited and co-authored a foundational text, The Absolute Weapon: Atomic Power and World Order (1946). It was in this work that modern nuclear deterrence theory was born.

The Inversion of Military Utility

I analyze this iconic quote to illustrate how profoundly Brodie broke from traditional military tradition. For centuries, military strategy focused on securing victory through the destruction of the enemy’s armed forces.

Brodie recognized that the atomic bomb rendered total war obsolete as an instrument of statecraft. Because an atomic exchange could destroy entire civilizations in a matter of hours, a war fought with such weapons could yield no rational political benefit. Therefore, the military’s primary job shifted from war-fighting to war-averting.

The Pillars of Early Deterrence Theory

In The Absolute Weapon, Brodie laid out the core principles that would govern U.S. and Soviet interactions for the next four decades:

  • The Futility of Defense: Brodie argued that there was no foreseeable, reliable defense against an atomic attack. Even if a defensive system intercepted 90% of incoming bombers, the remaining 10% would still deliver unacceptable, civilizational ruin.
  • The Primacy of Retaliation: Since defense was impossible, security could only be achieved through the guaranteed threat of overwhelming retaliation. A potential aggressor must understand that attacking would trigger their own destruction.
  • The Irrelevance of Superiority: Once a state possesses enough nuclear weapons to destroy its opponent’s society, acquiring thousands more offers little strategic advantage. Nuclear utility hits a point of saturation.

Preserving Order in the Age of Apocalyptic War

As the 1940s turned into the 1950s, the strategic landscape grew vastly more complex and dangerous. I detail how Brodie’s early, clean models of deterrence were severely tested by fast-moving historical developments.

The Loss of the American Monopoly (1949)

When the Soviet Union detonated its first atomic bomb in August 1949, the United States lost its nuclear monopoly much faster than Washington political elites had predicted. This shift created a symmetric balance of terror, giving rise to the truly bipolar world.

Brodie had to adapt his theories to a world where both sides could instantly retaliate. This eliminated any lingering illusions that the atomic bomb could be used as an offensive tool of diplomatic coercion without risking domestic annihilation.

The Thermonuclear Revolution

The strategic equation changed again with the development of the Hydrogen Bomb (the thermonuclear weapon), first tested by the United States in 1952 and the Soviet Union in 1953.

While the atomic bomb measured its yield in kilotons (thousands of tons of TNT equivalent), the thermonuclear bomb measured its yield in megatons (millions of tons of TNT). Fission bombs were city-killers; fusion bombs were region-killers, capable of poisoning massive geographic areas with lethal radioactive fallout.

I point out that while some defense intellectuals, like those in the Air Force, viewed the H-bomb as just a larger explosive tool for strategic air power, Brodie saw it as a qualitative leap into absolute absurdity. The H-bomb removed any remaining doubt about his 1946 thesis: total war with thermonuclear weapons was absolute suicide.

Rethinking the Unthinkable: Escalation and Limited War

With total war off the table as a rational choice, Brodie turned his focus to preventing brushfire conflicts from escalating into all-out thermonuclear exchanges. My analysis of this period highlights Brodie’s tenure at the RAND Corporation, where he interacted and frequently sparred with other giants of nuclear strategy, such as Herman Kahn, Albert Wohlstetter, and Henry Kissinger.

The Problem of Massive Retaliation

During the Eisenhower administration, U.S. defense policy relied heavily on the doctrine of Massive Retaliation. This policy declared that the U.S. would respond to any communist aggression globally—even local, conventional incursions—using overwhelming nuclear forces at times and places of its own choosing.

Brodie emerged as a sharp critic of Massive Retaliation. He argued that the threat lacked credibility in an era of nuclear parity. If the Soviet Union launched a localized conventional attack in Europe or Asia, would an American president truly risk the destruction of New York and Washington to defend a distant border?

Brodie asserted that a non-credible threat fails to deter. If the enemy exposes the bluff, the U.S. would face a terrible choice: launch a suicidal nuclear war or suffer an embarrassing geopolitical retreat.

The Architecture of Limited War

To solve this credibility gap, Brodie helped develop the theory of Limited War, which he detailed in his 1959 masterpiece, Strategy in the Missile Age.

Brodie argued that to make deterrence function at lower levels of conflict, the United States had to develop the capability and political will to fight limited wars using restricted means and targeting limited objectives.

  • Limitation of Means: Intentionally holding back maximum military power—such as avoiding the use of tactical nuclear weapons—to signaling a desire to avoid total war.
  • Limitation of Objectives: Fighting not for the unconditional surrender of the enemy or the total overthrow of their regime, but for specific geopolitical corrections (e.g., restoring a pre-war border).

I highlight the deep irony Brodie wrestled with: to prevent an absolute war, a superpower must become proficient at fighting restrained, sometimes frustratingly inconclusive limited wars.

A Clausewitz for America: Reuniting War and Politics

The final chapters of my book dive into the philosophical culmination of Brodie’s career: his deep engagement with the writings of Prussian military theorist Carl von Clausewitz:

The Clausewitzian Renaissance

In the late 1960s and 1970s, disillusioned by the strategic failures of the Vietnam War, Brodie dedicated himself to a deep reassessment of classical strategic philosophy. He collaborated with historian Peter Paret to produce the landmark 1976 Princeton University Press translation of Clausewitz’s On War, providing an extensive commentary that contextualized the Prussian master for the nuclear age.

Brodie discovered that Clausewitz provided the perfect philosophical toolkit to fight the technocratic, math-heavy trends that had taken over American defense planning. Strategists like Robert McNamara had tried to turn war into a bureaucratic exercise of systems analysis, body counts, and raw cost-benefit equations. Brodie used Clausewitz to remind the world that war is inherently an unpredictable, messy, human phenomenon driven by emotion, chance, and politics.

Reconciling the Famous Dictum

The core of Clausewitzian theory rests on the famous dictum: “War is the continuation of politics by other means.” This means that military violence must always serve as a tool for a specific political objective, and the political goal must entirely dictate the scale of military effort.

I carefully map out how Brodie solved the paradox of applying this 19th-century rule to the thermonuclear era:

  • The Separation Point: In an all-out nuclear war, the sheer scale of destruction breaks the connection between violence and statecraft. Because no political goal can justify the total annihilation of one’s own society, total thermonuclear war cannot be a continuation of politics. It is simply madness.
  • The Solution: Therefore, the only way to keep war Clausewitzian in the modern era is through nuclear deterrence and strict limitation. Deterrence uses the threat of force to achieve the political objective of stability and peace. When kinetic conflict does break out, it must be kept strictly limited so that the costs of fighting never outgrow the political value of the goal.

By aligning deterrence with Clausewitz, Brodie elevated it from a temporary military fix to a permanent, morally grounded framework for preserving global order.

The Lingering Legacy of the (Brief) Bipolar Peace

In my analysis, it becomes clear that Bernard Brodie’s contributions were central to preventing the Cold War from turning hot. The stable bipolar order was not an accidental byproduct of technology; it was a constructed intellectual architecture designed by thinkers who walked the world back from the brink of doom.

Brodie’s evolution reflects the journey of an era:

  • Technology and War: He began by studying how technology changes the machinery of war (Sea Power in the Machine Age, and Guide to Naval Strategy).
  • The Bomb and Obsolescence of Total War: He recognized when technology had made total war obsolete (The Absolute Weapon).
  • Escalation: He built the operational guardrails of escalation management (Strategy in the Missile Age and Escalation and the Nuclear Option).
  • He grounded the entire system in the timeless truth that military power must always serve political ends (“Guide to Reading On War“ and War and Politics).

I conclude that while the modern international system has continued its shift away from the bipolarity of the Cold War into a complex, multipolar landscape featuring asymmetric threats and nuclear proliferation, Brodie’s insights remain essential. The challenge of the 21st century mirrors that of 1946: ensuring that human political wisdom stays in control of our terrifying capacity for technological destruction.

My Realist Journey: Looking Back Upon 2,500 Years of Realist Theory as America Turns 250

Barry Scott Zellen, PhD Books, History, Liberty, Philosophy, Politics , , , , , , , , , , , , ,

Part 1: An American State of Mind

It’s amazing how fast 250 years can go by!

Celebrating America’s 250th anniversary since its momentous Declaration of Independence certainly makes a quarter millennium feel like the blink of an eye. Especially after the triumph of people power brought President Trump back into office in a sweeping indictment of the deep state and its subversion of American values and constitutional principles.

Ultimately, the American experience has been an experiment in achieving a realist vision of the world, and crafting a modern republic built upon the same balanced “trinity of power” (a liberating alignment of the people, the state and the armed forces) that has empowered the Western order since the days of Socrates, Plato and Xenophon.

But to fully grok the universal significance of the American experiment, we must look back not just 250 years, but much farther — to the start of the Western experiment 2,500 years ago!

And it just so happens that I have penned just such a retrospective analysis, originally (before the Cold War ended) called Visions of Order, a three-volume work (Volume 1: State of Hope; Volume 2: State of Fear; and Volume 3: State of Awe); and later, States of Mind, an expanded four-volume work with the added volume, State of Siege, which soon again expanded to include a fifth, sixth and seventh volume, State of Chaos, State of Doom and State of Recovery. 

My original three-volume treatise (Visions of Order) concluded, in State of Awe, with the bipolar Cold War peace, and was penned in the mid-to-late 1980s, coming to completion just as Cold War ended, collapsing the seemingly millennial era of bipolarity (like all such millennial dreams of everlasting order), and with the swiftness of that collapse, unmasking neorealism and most other Cold War IR theories (with notable exceptions like Regime Theory) as brittle ideological dogmas masquerading as theories.

Visions of Order was going to be my dissertation, a rebuttal of Ken Waltz’s neorealism written under Waltz’s apoplectic supervision (he hated it, but at the same time, loved it, but mostly hated it!) His other students were unwilling to stand up to him, and he loved a good debate (as Scott Sagan came to appreciate with their post- Cold War debate on nuclear proliferation). But when the Cold War ended, imploding the now obsolete field of Soviet and East European Studies, and unmasking a whole generation of IR theorists as delusional navel-gazers and Waltzian butt-kissers, I proposed a new subfield in Circumpolar Studies to replace the now-obsolete field of Soviet and East European Studies (itself a fiction of Russian imperialist fantasy), but was laughed at by the pompous defenders of obsolete subfields.

Rather than kick a dead horse, I hopped on my 250cc Honda Rebel motorbike and road up the Alaska Highway to Whitehorse, and from their up the Klondike Highway to Dawson, and from there up the Dempster Highway to Inuvik on the Mackenzie River Delta near the Beaufort Sea Coast, where over the next decade I penned another three-volume treatise on the foundations of international relations, based upon my observations and experiences in the Western Arctic (and which is discussed in the companion to this retrospective theoretical memoir, “My Arctic Journey.”)

Two decades later, as the dust and debris of 9/11 was settling, I pulled out my handwritten draft of my completed, three-volume Visions of Order on spiral bound notebooks, and hired a wonderful typist on Craigslist to digitize the manuscript for me for the Internet era, with the idea of adding new volumes to bring what I was now calling States of Mind up to date (as both tribute to, and defiant mockery of, the nonsensical, and overly ideological, Constructivist school that has colonized the hive mind of academia after neorealism became obsolete with the 1989 fall of the Berlin Wall to people power.)

As my updated expanded treatise approached completion, I decided it was time to publish it. Waltz was still alive, and still beating the dead horse of neorealism, even arguing in The New York Times that an Iranian bomb would be good for world peace. Though too late to become a dissertation under his supervision, he did enthusiastically agree to serve as an external reader, but unfortunately passed away before the public defense, owing to an overly eager junior faculty member insisting on yet another revision to bring the work current with the literature, since I wrote the first draft just before the end of the Cold War, resulting in a year delay that we simply did not have as Waltz’s precarious health deteriorated.

With Waltz no longer with us, I refocused my attention on State of Awe, in tribute to Waltz, and wrote the expanded State of Doom which further evolved into a strategic biography of Bernard Brodie, a contemporary of Waltz’s who did for deterrence and strategic theory what Waltz did for IR theory: wedded it to the existential nuclear challenge of the post-Hiroshima world.

States of Mind further evolved into what ultimately became a seven-volume treatise and I ended up dividing the work in two to ensure the entire work could be published. Praeger Security International agreed to publish the original Visions of Order with the addition of the post-9/11 State of Siege, while Continuum Books agreed to publish State of Doom, State of Chaos, and State of Recovery.

Thus, in 2011, my four-volume, twenty-five century chronicle of realism across the ages (The Realist Tradition in International Relations: The Foundations of Western Order) came to press—the first part of my seven-volume States of Mind project. In it, I present a sweeping and provocative (if I do say so myself!) reinterpretation of realist theory.

Challenging the systems-centric neorealist tradition of structural realism as articulated by Waltz—one of the two most stubborn mentors I’ve ever had, the other being Gene Sharp, another realist thinker of Waltz’s generation who was as unyielding on strategic nonviolence as Waltz was on systemic structure—I frame the evolution of realist thought through the eyes of two-and-a-half millennia of individual realist thinkers and their respective quests to tame the chaos of their times, from the era of city-states and classical empires to global nuclear superpowers, yielding an evolving but strikingly consistent philosophical and theoretical tradition.

I conclude that the foundations of world order are built upon these evolving “states of mind” that correspond to distinct historical eras and their respective technologies, strategies and paradigms of warfare. I organized this framework into four distinct “states of mind,” each examined in its own volume, capturing how political leaders, philosophers, and strategists responded to, and yearned to transcend, the chaos of their times.

Volume 1: State of Hope: Order in the Age of Classical War

  • The Era: Classical Antiquity (tracing back to Thucydides and ancient Greece).
  • The Concept: This state of mind emerges from a baseline of supreme geopolitical chaos. It is a “state of hope” because it represents humanity’s earliest philosophical efforts to conceptualize, predict, and ultimately tame international anarchy. Rather than accepting perpetual vulnerability, classical realism sought the intellectual foundations necessary to construct a predictable, sustainable balance of power out of raw conflict.

Volume 2: State of Fear: Order in the Age of Limited War

  • The Era: The early-modern period through the Enlightenment (and the rise of the Westphalian states system).
  • The Concept: Driven by a collective psychological dread of endless religious and civil bloodbaths (such as the Thirty Years’ War), this state of mind prioritized survival and stability above all else. This collective “fear” directly catalyzed the birth of the modern sovereign nation-state. By monopolizing violence and establishing strict borders, states constrained the scope of conflict, transitioning the world into an era of structured, “limited” warfare governed by clear diplomatic rules.

Volume 3: State of Awe: Order in the Age of Total War

  • The Era: The 20th century through the Cold War (both World Wars and the nuclear age).
  • The Concept: The rise of absolute industrialized warfare and the advent of the atomic bomb shifted humanity into a state of psychological “awe”—a paralyzing realization of our capacity for total self-destruction. Realist strategy during this period evolved to manage unprecedented systemic danger. It gave rise to the philosophy of nuclear deterrence and strategic stability, where order was paradoxically maintained through the terrifying equilibrium of Mutually Assured Destruction (MAD).

Volume 4: State of Siege: Order in the Age of Insurgency

  • The Era: The post-Cold War and post-9/11 contemporary world.
  • The Concept: This modern state of mind reflects the fragmentation of the traditional nation-state’s monopoly on security. As globalized networks, tribal factions, and asymmetric actors rose up against Western modernization, states found themselves in a perpetual “state of siege” from within and below. This era shifts the realist focus away from massive, state-on-state clashes toward navigating non-state insurgencies, counter-terrorism, and localized border friction.