The Indian Army is actively evaluating a new defensive concept that could significantly reshape armored warfare on the modern battlefield: the integration of 10-kilowatt class laser weapon systems onto frontline main battle tanks, including the Russian-origin T-90 Bhishma and the indigenous Arjun MBT. The proposed upgrade is aimed at countering the rapidly evolving aerial threat posed by First-Person View (FPV) drones, suicide unmanned aerial vehicles (UAVs), and coordinated drone swarm tactics.
Defence sources indicate that the concept is still in the assessment and feasibility study phase, but it reflects a marked shift in India’s armored doctrine. The move has been directly influenced by operational lessons drawn from the ongoing Russia-Ukraine war, where low-cost commercial drones have demonstrated the ability to neutralize or severely degrade even heavily armored formations.
In the Ukraine conflict, FPV drones costing only a few hundred dollars have repeatedly struck vulnerable points on armored vehicles—turret rings, engine decks, rear hulls, and ammunition compartments. These precision attacks have shown that traditional armor protection, even on heavily fortified main battle tanks, is no longer sufficient against persistent aerial surveillance and precision-guided micro-munitions.
The Indian Army’s current evaluation acknowledges this shift in threat dynamics. Instead of treating drones as a secondary or rear-area nuisance, they are now considered a primary battlefield threat that can shape the outcome of armored engagements in real time.
This has accelerated interest in layered active protection systems and, more radically, directed-energy weapons such as high-energy lasers mounted directly on armored platforms.
At the center of the proposal is a new operational concept informally described as a “shield tank” model. Under this doctrine, a small number of specially equipped tanks within a larger armored column would be fitted with laser-based directed-energy weapons and automated close-in weapon systems (CIWS).
These “shield” vehicles would not primarily serve as offensive platforms. Instead, they would act as mobile air defence nodes embedded within armored formations. Operating in coordination with conventional tanks, they would create a protective envelope capable of engaging aerial threats in real time.
According to defence planning discussions, a single shield-equipped tank could contribute to a defensive umbrella covering a convoy of 20 to 40 armored vehicles moving in formation. This approach is conceptually similar to how dedicated electronic warfare aircraft or escort fighters protect strike packages in aerial operations, but adapted for ground-based maneuver warfare.
Rather than relying exclusively on external air defence units, the armored formation itself would become self-contained in its ability to detect, track, and destroy incoming aerial threats.
Early responses to the drone threat by several global militaries included improvised solutions such as welded metal “cope cages” placed over tank turrets. While these structures can sometimes disrupt the terminal approach of unguided munitions or reduce the effectiveness of top-attack drones, they have proven insufficient against modern swarm tactics, where multiple drones attack simultaneously from different angles.
As a result, military research has increasingly shifted toward active protection systems (APS) and directed-energy solutions. These systems aim not to passively absorb damage but to intercept or neutralize threats before impact.
The proposed 10 kW laser system represents a significant step in this evolution. Rather than relying solely on kinetic interceptors or jamming systems, laser weapons introduce a near-instantaneous method of engagement that can be repeatedly used against large numbers of incoming drones.
The 10-kilowatt class laser under consideration would be designed primarily for short-range defensive engagements against aerial threats such as FPV drones, quadcopters, and small loitering munitions.
Its engagement mechanism would operate in multiple modes:
Optical disruption: Blinding or damaging onboard electro-optical and infrared sensors used for targeting and navigation
Thermal degradation: Heating structural components such as rotor assemblies, propellers, and control surfaces until they fail
Electronic damage: Interfering with exposed circuitry or guidance modules during close-range tracking
The system would be integrated with automated detection and tracking sensors capable of identifying small, fast-moving aerial targets in cluttered battlefield environments. Once a threat is classified, the laser would engage within seconds, with near-zero projectile travel time.
This makes it particularly effective against swarm attacks, where multiple drones may approach simultaneously from different vectors.
### Indigenous Directed-Energy Development
The concept builds on India’s expanding research in directed-energy weapons, led by the Defence Research and Development Organisation. In recent years, DRDO has accelerated development of high-energy laser systems, microwave weapons, and other advanced counter-drone technologies.
In a significant milestone, DRDO previously demonstrated the 30 kW class Mk-II(A) Directed Energy Weapon system, which successfully engaged and destroyed fixed-wing UAVs and swarm drone targets during trials. That demonstration placed India among a small group of nations actively progressing toward operational battlefield deployment of laser-based air defence systems.
The current 10 kW tank-mounted concept is a more compact derivative of these larger systems, optimized for mobility, rapid deployment, and integration into armored formations rather than static installations.
Despite its promise, integrating high-energy laser systems onto main battle tanks presents substantial engineering difficulties.
Armored vehicles such as the T-90 and Arjun MBT are designed primarily for kinetic warfare and survivability under fire, not for hosting precision energy systems. The environment inside and around a moving tank is highly challenging for sensitive optical and electronic equipment.
Stability and vibration control: Tanks operate over rough terrain, producing constant shock and vibration that can disrupt laser targeting accuracy
Dust and battlefield obscurants: Dust, smoke, and debris can degrade beam propagation and sensor performance
Power generation: High-energy lasers require substantial electrical power, necessitating auxiliary power units or upgraded onboard generation systems
Thermal management: Continuous firing generates significant heat, requiring advanced cooling systems to prevent performance degradation
Line-of-sight constraints: Terrain masking and turret movement limitations may restrict engagement angles against low-altitude drones
Addressing these constraints would likely require a redesign of auxiliary tank systems, including power distribution architecture and possibly dedicated energy storage modules.
If successfully implemented, laser-equipped tanks could significantly alter the tactical vulnerability profile of armored units. Historically, tanks have relied on layered defense involving infantry support, electronic warfare, and external air defence assets. The introduction of embedded laser systems would internalize part of this protection, allowing armored columns to operate with greater independence.
In doctrine terms, this could enable more aggressive maneuver warfare, where armored formations are less dependent on pre-cleared airspace or dedicated anti-air escorts.
However, military analysts caution that no single system is likely to dominate the counter-drone environment. Instead, future armored warfare is expected to rely on layered defence architecture combining electronic warfare jammers, kinetic interceptors, active protection systems, and directed-energy weapons.
India’s exploration of tank-mounted laser systems reflects a broader global trend. Several advanced militaries are investing heavily in directed-energy weapons as a response to the proliferation of cheap UAVs and loitering munitions.
The increasing affordability and accessibility of drone technology have fundamentally altered the cost balance of warfare. In many scenarios, a low-cost drone can destroy or disable multi-million-dollar armored platforms, creating an unsustainable economic exchange ratio.
Laser weapons, by contrast, offer a dramatically lower cost per engagement, limited primarily by power consumption rather than ammunition expenditure. This makes them particularly attractive for sustained defense against mass drone attacks.
While the Indian Army’s proposal remains under evaluation, its implications are significant. If fielded successfully, a 10 kW laser-equipped “shield tank” could become a core component of future armored doctrine, particularly in high-threat environments characterized by dense UAV activity.
The next phase of development will likely focus on system miniaturization, ruggedization, and integration with existing fire-control systems on platforms like the T-90 and Arjun MBT. Parallel work on power generation and thermal management will be critical to determining whether such systems can transition from experimental prototypes to operational battlefield assets.
