Proliferation of unmanned systems in modern warfare has popularized the notion that traditional platforms have reached the end of their operational relevance. Particularly, the Russia-Ukraine war has deepened the perception that small, agile, and inexpensive drones have rendered manned platforms in land, air, and sea domain obsolete.

This argument gains credibility while assessing drones’ performance against manned armored vehicles which are now routinely labelled as outdated systems against drone-enabled precision strikes. Yet, what is often depicted in the media is only one side of the coin. Drones often fail to find targets, are intercepted, or manage to hit their target, thus not achieving intended results. Despite proliferation of first-person view (FPV) drones, armored vehicles continue to play a vital role in maneuver warfare and protected mobility. Modern armor strategies have evolved to include combined arms and dispersion rather than mass for increasing survivability and combat efficiency. In the Russia-Ukraine war, several rudimentary measures like installation of cope cages atop turrets, have been implemented by both militaries to enhance the survivability rate of tanks against kamikaze drones. Vehicle mounted jammers have also shown promising results. Defensive technologies, like active protection systems (APS) and electronic countermeasures (ECM), have proven their efficiency against FPV drones. Thus, it can be argued that drones have not turned armored vehicles obsolete; they have forced them to evolve into more refined systems.

Similarly, in the aerial domain, many analysts perceive unmanned aerial systems (UAS) as cost effective alternative vis-à-vis manned aircraft. Yes, UASs have shown impressive evolution. From dropping laser-guided bombs (LGBs) to firing cruise missiles, air-to-air missiles, torpedo, and even smaller drones, drones have come a long way in changing warfare. Increasingly, drones have pushed manned aircraft aside as a more efficient option for operational engagement. In Nagorno-Karabakh conflict, Azerbaijan innovatively employed aerial drones to expose Armenian air-defenses’ positions making them vulnerable to subsequent Azerbaijan’s targeted strikes. This unique use of drones as a crucial component of SEAD/DEAD (Suppression & Destruction of Enemy Air Defenses) kill chain marked a watershed moment in modern warfare.

However, the inherent limitations of drones are obvious too. UASs are more susceptibility to electronic warfare (EW) disruption and have unproven records in complex battlespace with dynamics rules of engagement (ROEs). Claims that unmanned systems will soon replace fighter jets overlook the enduring advantages of human decision-making in contested and escalation-sensitive environments. Manned aircraft provide operational flexibility and command judgment that are yet to be replicated through automation alone. The developmental trajectory suggests that instead of perceiving UAVs as one-one-one substitute for piloted aircraft, the future lies in Manned-Unmanned Teaming (MUM-T) where manned aircraft will serve as command nodes while accompanied unmanned systems will provide mass, persistence, and attainability.

In the naval domain, the successfully employment of kamikaze surface and aerial drones by Ukraine in the Black Sea conflict is now frequently cited as an indicator that large surface combatants will soon turn into relics of past. Besides sinking multiple Russian warships in the Black Sea, Ukraine has even damaged a Russian Kilo class submarine stationed at Novorossiysk harbor using an underwater suicide drone. The Russian Black Sea Fleet, despite having overwhelming superiority over Ukrainian counterpart, has failed to establish sea-control in the Black Sea primarily due to remarkable performance of Ukrainian naval drones.

Similarly, in the Red Sea crisis, the Houthis’ rudimentary drones have challenged the operational persistence of Western naval powers. Kamikaze drones have compelled American, British, French, and German warships to deplete expensive air-defense missiles, which in some cases resulted in pre-mature withdrawal. Close-in Weapon Systems (CIWS) is usually considered a potent point of defense against all types of aerial threats in the maritime domain. However, both gun-based and missile-based CIWS have limited magazine capacity and engagement range. This suggests that against a more capable adversary, drone swarms can saturate warships’ defenses and can cause mission-kill by damaging critical instruments onboard, rendering them inoperable for extended time duration.

Although naval drones have added an additional layer of threat for warships, they do not, in themselves, render them obsolete. Novel defensive capabilities for countering drone threats are already in the developmental phase. Few systems have been deployed and evaluated in real combat. For example, on 03 March 2024, an Italian Andrea Doria class destroyer shot down an incoming kamikaze drone threat in Red Sea using DART projectiles fired from 76mm deck gun, a move far more economically feasible than air-to-surface missile. Similarly, high-energy lasers (HELs) onboard warships are being tested for countering drones. Besides kinetic defensive application, soft-kill measures such as jammers and decoy systems are also emerging as critical components of warships defensive suite.

In addition, the Black Sea and the Red Sea are enclosed bodies of water, offering limited operational space for naval forces and providing tactical advantage to drone-based asymmetric tactics. In blue waters, however, the effectiveness of such drones would diminish considerably. In open seas, it is unlikely that even mass formations of drones would be able to penetrate modern naval armadas. Although suicide drones can be used in formation with cruise and ballistic missiles to outclass adversary air-defenses, but repeating such a feat against time-sensitive and well protected high-value naval ships would be a very challenging undertaking. Thus, it can be argued that sea drones can be employed as enablers or force-multipliers in conjunction with other systems, but not as decisive instruments of naval warfare.

The future of warfare will not be defined by the triumph of drones over manned platforms. Today, drones have turned into a potent tool of warfare and are also an integral part of the kill-chain of modern militaries around the globe. However, limitations cannot be ignored. In practice, drones work less as independent war-winning weapons but are enablers and force-multipliers. In the age of viral narratives and simplified conclusions, misperceptions regarding military technologies are bound to persist. No single military system determines the outcome of war, and no single innovation renders all others irrelevant. Military power is cumulative and contextual.

Ahmad Ibrahim is a Research Associate at Maritime Centre of Excellence (MCE), Pakistan Navy War College (PNWC), Lahore. The views of the author are his own.

Assessing the Credibility of Manned Platforms in Contemporary Drone-Rich Combat Environment was originally published on Global Security Review.

Nearly a century later, Russian planners still view Deep Battle as a foundational concept. Yet the war in Ukraine has exposed the performance gap between theory and practice.

Deep Battle in Russian Military Thought

Deep Battle was designed as a holistic operational approach: massed firepower, rapid penetration, and exploitation by mobile formations. It required tight coordination, robust logistics, and the ability to sustain momentum across multiple echelons. Soviet forces demonstrated aspects of this during World War II, and the concept remained embedded in Russian doctrine long after.

Modern Russian operations—at least on paper—still aspire to this model. Analysts note that Russian commanders have attempted to regain maneuver by applying Deep Battle principles, seeking rapid breakthroughs and deep strikes to disorganize Ukrainian defenses. However, the conditions required for successful Deep Battle are far more demanding than the theory suggests.

Why Deep Battle Has Struggled in Ukraine

Several factors have undermined Russia’s ability to execute Deep Battle effectively. Logistical fragility has plagued Russian operations, as sustaining supply to fast-moving units proved difficult; forces entering Ukraine in 2022 quickly outran their logistics, leading to stalled advances and exposed columns. Scholars argue that this logistical weakness fundamentally compromised Russia’s ability to maintain operational tempo. Additionally, Ukrainian resilience and adaptability have presented unexpected challenges. Ukrainian forces have been far more agile and technologically integrated than Russian planners anticipated, employing precision fires, dispersed command structures, and Western intelligence support to blunt Russian attempts at operational shock and interrupting supply lines and replacement equipment. Their use of drone and counter-drone technology exemplifies adaptive learning that has already been noted and copied by other state militaries.

Russia’s attempts at Deep Battle are further hindered by insufficient force quality and added maneuver complexity, as the doctrine relies on well-trained, coordinated echelons. Russia’s reliance on mobilized troops, fragmented command structures, and heavy attrition has made synchronized deep operations difficult to sustain. The loss of air superiority has limited Russia’s ability to shape the battlefield making the battlefield more complex. As intended by doctrine, Soviet Deep Battle assumes overwhelming air support to suppress enemy depth, but contested airspace in Ukraine has prevented this crucial element.

Where Russia Has Adapted

Despite these challenges, Russia has applied Deep Battle concepts in modified ways. In adapting the principles of Deep Battle to modern conflict, Russia has focused on targeting Ukrainian infrastructure with long-range strikes. This campaign has prioritized attacks on energy systems and logistics nodes, aiming to disrupt Ukrainian depth and sustain pressure even without accompanying maneuver. By striking critical assets far from the front lines, Russia attempts to weaken Ukraine’s ability to resist and maintain its war effort.

Rather than achieving rapid breakthroughs as originally envisioned by Deep Battle doctrine, Russia has shifted to a strategy of incremental, attritional “deepening.” This approach relies on massed artillery and slow, grinding advances to steadily erode Ukrainian defenses. The result is a war of attrition where progress is measured in small territorial gains instead of dramatic operational shifts, demonstrating an adaptation of Deep Battle’s objectives without its characteristic momentum.

In addition to these methods, Russian military planners and observers continue to pursue efforts to reconstitute maneuver forces. Despite ongoing challenges, such as limited operational success, attempts are being made to rebuild the capacity for operational-level breakthroughs. These efforts underscore a persistent desire within Russian strategy to reclaim the maneuver warfare and deep operational reach that are central to Deep Battle theory, even as practical limitations remain.

The Role of Nuclear Weapons in Deep Battle

Vladimir Putin has repeatedly issued veiled or explicit warnings regarding the potential for Russian nuclear first use concerning the possibility of Russian nuclear first use in response to perceived unacceptable threats. This stance is further reflected in Russian military exercises, which have frequently included simulated launches with tactical nuclear weapons systems. However, it is important to note that some Soviet assessments during the Cold War adopted a realistically pessimistic outlook on the conduct of military operations in a nuclear environment, recognizing the immense challenges such conditions would impose.

Taken together, these perspectives highlight the duality in Russian strategic thinking: while nuclear signaling and preparation remain integral to Russia’s military posture, there is also an awareness—rooted in historical experience—of the profound difficulties associated with waging war in a nuclear-affected battlespace.

Implications for the Future of the War

Understanding Russia’s attachment to Deep Battle helps explain both its ambitions and its limitations. Russia will continue seeking opportunities for operational breakthroughs, even if conditions rarely allow them. The concept remains deeply embedded in Russian military culture. At the same time, Ukraine’s strategy of disrupting Russian logistics and command nodes directly targets the prerequisites of Deep Battle, making it harder for Russia to generate momentum. If Russia can rebuild its logistics, improve training, and integrate drones and electronic warfare more effectively, it may regain the ability to conduct deeper operations—but this remains uncertain. The war is likely to remain attritional because neither side currently possesses the combination of mass, mobility, and air dominance required for true Deep Battle.

Conclusion

Deep Battle remains a conceptual framework and historical marker for understanding Russian military behavior. But the war in Ukraine has shown that doctrine alone cannot compensate for structural weaknesses, resilient opposition, and the realities of modern precision warfare. Russia’s struggle to translate Deep Battle theory into battlefield success underscores the widening gap between its strategic aspirations and its operational capabilities.

NOTE: The author provides a grateful acknowledgment that is made to David Glantz and the late Dr. Jacob Kipp for the author’s appreciation of this topic. None bear any responsibility for arguments herein.

Stephen J. Cimbala is Distinguished Professor of Political Science at Penn State Brandywine and the author of numerous works on nuclear deterrence, arms control, and military strategy.  He is a senior fellow at NIDS and a recent contributor to the Routledge Handbook of Soviet and Russian Military Studies edited by Dr. Alexander Hill (Routledge: 2025).

The Russian View of Deep Battle: Implications for the War in Ukraine was originally published on Global Security Review.