442. What Happens If Great Powers Don’t Fight Great Wars?

[Editor’s Note:  Army Mad Scientist welcomes returning guest blogger LTC Nathan Colvin with today’s submission, judged as a semi-finalist in our recent Back to the Future Writing Contest. Tackling our writing prompt — How could our future be different than our past experiences and what are the potential surprises or disadvantages? — LTC Colvin’s cautionary piece explores the return of Great Power Conflict, reminding us that the U.S. Army’s current operational concept is Multi-Domain Operations (MDO), not Large-Scale Combat Operations (LSCO).  “While conflict in multiple domains is likely, large-scale multi-domain operations remain less likely between two great powers due to the conventional material costs and the slippery slope toward nuclear weapon use.”  The Joint Force’s approach to deterrence and conflict must address the full spectrum of operations, as future conflicts are likely to remain hybrid ones.  “Assuming that great powers will only fight great wars can lead to death by a thousand cuts while holding a tourniquet” —  Read on!]

Introduction

Russian tanks roll across the heart of Europe. China dramatically increases capabilities across all domains. Great powers are back with a vengeance. Analogies drawn from the Cold War and World War II return. Multipolarity challenges the United States’ hegemonic position. Deterrence makes its way back into strategic thought. Great nations with big armies renew conversations about power balancing. Theorists are proud to make realism great again. Like an elastic band snapping into place, Army culture returns to familiar conversations about relative combat power, fires, and maneuver. While certainly the most dangerous form of war, are Large-Scale Combat Operations (LSCO) inevitable amongst great powers?

My argument is no. While geopolitical dynamics may resemble historical conditions leading to direct great power wars, states are more interdependent than ever, are restricted by the nuclear weapons revolution in military affairs, and are constrained by the costs of conventional war. The proper lesson from history is that conflict abhors a vacuum, and threats will take advantage of whatever space is available. Therefore, the Army must consider diverse solutions to deter and win in both LSCO and non-LSCO Multi-Domain Operations.

What’s so great about these powers anyway?

What makes a great power, well, great? Although definitions vary, great powers can exert themselves beyond their near abroad to achieve goals. Today, great power should be able to extend capabilities to a global scale (Bohler 2017) through their level of capability, geographic reach, and be recognized as a great power by other nations (Danilovic 2002). France, United Kingdom, Germany, Austria-Hungary, Italy, Japan, United States, Russia/USSR, and China are historical Great Powers.

The Congress of Vienna, watercolor etching by August Friedrich Andreas Campe, where the concert of European powers assembled in 1814.  From the collection of the State Borodino War and History Museum, Moscow / Source:  Fine Art Images/Heritage-Images via Brittanica

Great powers interact with the world cooperatively or competitively. When competition between two powers leads to direct military clashes, conflict occurs. Where cooperation occurs, both states benefit from the transaction, while in competition or conflict, one or both powers suffer. The dynamics of these interactions create a hierarchy of states, first formally recognized in the 1814 Concert of Europe.

Realists say that states vie to be the most powerful while limiting other states’ ability to overtake them. The resulting phenomenon of states allying with the leader (bandwagoning) or against them (balancing), is known as balance of power theory (Waltz 1979).  When one power is on the rise, another declines – which puts them on a crash course for a zero-sum conflict (Mearsheimer 2010). The current dominant narrative puts China on the rise, Russia trying to rise, and the United States in relative decline (Kroenig 2022). No doubt a recipe for war, right?

Historically speaking, you could argue there is significant proof that great power war is inevitable. After all, since the Concert of Europe, great powers fought each other from the Hundred Days War to World War II. However, during the same period, there were as many small and/or proxy wars as great power wars. After World War II, the dynamic shifted further as “the resultant Cold War was an approximately 40 year-long political, military and economic confrontation between the USA and the Soviet Union and their respective allies… [that] never escalated into direct military confrontation between the superpowers, but involved an unprecedented arms race with both nuclear and conventional weapons as well as plethora of proxy conflicts”(UCDP 2023). The Korean, Vietnam, and Russian-Afghanistan wars were the closest great powers came to direct conflict, but they remained proxy wars. What can we attribute to this nearly 80-year lack of Great Power Conflict?

(Not) Going Nuclear

In the pre-WW II examples, Great Powers could gain from conflict. Zero-sum outcomes incentivized the use of force and created conditions for increasingly lethal battlefield capabilities. Increased capability extended the scale of vertical escalation possible. This trend continued until the Cold War. The parallel expansion of nuclear arsenals created a new dynamic. As Bull (1996, 48) points out, “it is only in the context of nuclear weapons and other recent military technology that it becomes pertinent to ask whether war could not now be both ‘absolute in the results’ and take the form of a ‘single instantaneous blow’ in Clausewitz’s understanding of those terms.” In other words, nuclear weapons “capped” the escalation race, especially once stockpiles ensured Mutually Assured Destruction. At that point, winner-takes-all possibilities shifted to a likely lose-lose situation.

If vertical escalation is capped, what are other choices? Investments in hypersonics, long-range precision fires, future vertical lift, space, and cyber capabilities extend geographic range, supporting horizontal escalation options. Alternatively, great powers could avoid military confrontation with each other, instead choosing to escalate both vertically and horizontally in the diplomatic, informational, and economic elements of national power. In the Cold War, that led to the exclusive use of proxies. Today, adversaries take advantage of complex interdependence to employ “hostile acts outside the realm of armed conflict to weaken a rival country, entity, or alliance” known as gray-zone aggression (Braw 2022). This leads to a sort of “diagonal escalation.”

There will not be (and probably never have been) purely conventional or unconventional wars – only hybrid ones. Hybrid wars are fought at varying intensities and scales, depending on the “means” available, the creativity of “ways” imagined, and the “ends” desired by the adversary. As the resources required to employ, and the destruction of lethal means increases, the more likely conflict will press “ways” horizontally into multiple domains and dimensions. While conflict in multiple domains is likely, large-scale multi-domain operations remain less likely between two great powers due to the conventional material costs and the slippery slope toward nuclear weapon use. If LSCO does occur, the likelihood of fighting through a CBRN environment is high.

Panic at the LSCO

Yet in the Army today, what is old is new again. LSCO harkens back to the Army’s historical victories and provides a clearer purpose than “small wars” or counterinsurgency, making it particularly palatable to Army culture. However, the Army’s operational concept is Multi-Domain Operations (MDO), not LSCO. While MDO acknowledges the very real possibility of LSCO, it does not forecast LSCO’s inevitability over other forms of conflict, competition, or even cooperation. So, while all LSCO is likely a Multi-Domain Operation, not all MDO is LSCO. Assuming that great powers will only fight great wars can lead to death by a thousand cuts while holding a tourniquet. Instead, our approach to the future must include the full spectrum of operations.

Figure 1 – A Google Trends Analysis was conducted by the author between the terms Large-Scale Combat Operations, Multi-Domain Battle, and Multi-Domain Operations on July 31, 2022. As MDB transitioned to MDO, Large-Scale Combat Operations became an increasingly prevalent topic (Google, 2022).

Ramifications for the Future

To be clear, I am not saying that developing LSCO capabilities is wrong. But like Kagan (2020), I am saying we must ensure that our refocus precludes an overcorrection. For example, the current Russo-Ukraine War is cited as a case for the return of LSCO. Yet from a Great Power perspective, it is a proxy war. Ukraine gave up its nuclear weapons and is now a target by a state that is bound by treaty to guarantee its security. Operationally, we may learn LSCO lessons from this war, but strategically the lessons are different.

The Army of the future must be able to generate deterrence by denial and by punishment in both LSCO and Non-LSCO conditions, across multiple domains, and diverse geography. Deterrence by denial requires both capability and will that make it infeasible for an adversary to succeed, while punishment requires severe penalties (Mazarr 2018). If the Army attempts to leave unconventional war behind, non-denied space is created which adversaries could exploit, likely through proxies. Conventional responses are often unsuitable to such threats, providing adversaries with an asymmetric advantage resistant to deterrence by conventional punishment. To mitigate outcomes such as these, tailored forces are required in the unconventional space (Crombe, Ferenzi, and Jones 2021). Ensuring balance across domains and DIME is foundational to integrated deterrence (McInnis 2022).

Avoiding historical biases toward conventional capability and not relying on Cold War definitions of deterrence requires vigilance. As designers of the future endure the machinations of modernization, they should employ tools to maintain balance. For example, the matrix in Table 1 (below) looks at geographic threats, compared to both LSCO and non-LSCO conflict types. Experimentation, wargaming, operations research, historical review, or other methods help determine the form of capabilities required by the framework. In turn, force designs can be tailored and judged appropriately across all three components. Tools like these should be employed in the developmental processes.

Table 1 – By comparing threats against possible conflict types, general requirements for future forces become clearer and comparable. This is just a small example of the many thought experiments that can be used to ensure capabilities are fit-for-purpose.

Conclusion

The Army may learn incorrect historical lessons if we assume great powers will fight great wars. While many great powers fought each other directly, they also fought small adversaries and used proxies. Russia is learning today the costs of modern conventional war are so high it is difficult to justify its use. Since World War II, no two nuclear-armed countries directly went to war with each other. A focus on the “most dangerous” form of war (LSCO) is appropriate to create a credible deterrent, but cannot wholly replace other capabilities required for MDO. Strategically, without credible non-LSCO capabilities, deterrence by denial is not truly possible.

If you enjoyed this post, check out the following related content:

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About the Author:  Nathan Colvin is a U.S. Army Strategist recently selected for Colonel and the U.S. Army War College Fellowship in Public Policy at the College of William and Mary. He holds a Graduate Certificate in Modeling and Simulations from Old Dominion University, where he is also completing his last semester of coursework toward a Ph.D. in International Studies as an I/ITSEC Leonard P. Gollobin Scholar. He earned master’s degrees in Aeronautics and Space Studies (Embry-Riddle University), Administration (Central Michigan University), and Military Theater Operations (School of Advanced Military Studies). He has deployed to Iraq, Afghanistan, Pakistan, and Latvia as an aviator, operational planner, and strategist. He is currently participating in the HillVets LEAD program where he will chair a panel on US-Ukrainian Veteran cooperation in employment and entrepreneurship.

Disclaimer: The views expressed in this blog post do not necessarily reflect those of the U.S. Department of Defense, Department of the Army, Army Futures Command (AFC), or Training and Doctrine Command (TRADOC).

 

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