About the author
Lt Col Manoj K Channan (Retd) served in the Indian Army, Armoured Corps, 65 Armoured Regiment, 27 August 83- 07 April 2007. Operational experience in the Indian Army includes Sri Lanka – OP PAWAN, Nagaland and Manipur – OP HIFAZAT, and Bhalra - Bhaderwah, District Doda Jammu and Kashmir, including setting up of a counter-insurgency school – OP RAKSHAK. He regularly contributes to Defence and Security issues in the Financial Express online, Defence and Strategy, Fauji India Magazine and Salute Magazine.
*Views are personal.
The ongoing US–Israel–Iran conflict has exposed a structural weakness in modern air defence systems. There is a growing mismatch between the cost of interception and the cost of attack. Advanced interceptor missiles, originally designed for high-end threats, are now being used against low-cost drones and unguided projectiles. This has created a deeply unsustainable cost dynamic.
In several cases, interceptors costing between USD 2 million and USD 30 million are being used to destroy drones that may cost only a few thousand dollars. Even advanced systems such as THAAD face production constraints. With approximately 96 interceptors manufactured annually, stockpiles cannot be replenished quickly enough during sustained operations. This creates pressure not only on budgets but also on operational readiness.
The result is a dangerous imbalance. High-value defensive assets are being consumed rapidly, while adversaries exploit this asymmetry by deploying large numbers of inexpensive drones. This shifts the advantage toward volume rather than sophistication.
The Changing Nature of Aerial Threats
The nature of aerial warfare is evolving quickly. Drones are no longer limited to surveillance roles. They are now widely used for swarm attacks, precision targeting, electronic warfare, and deception operations.
These drones typically operate at low altitudes, often below radar coverage. Their small radar signatures make detection difficult. Their slow speeds further complicate tracking, as many defence systems are optimised for fast-moving threats. When deployed in swarms, they can overwhelm traditional air defence systems.
This combination creates a gap in the current layered defence architecture. High-end systems are too expensive to deploy against such threats, while short-range systems lack the persistence and flexibility needed. What is needed is a new layer that is specifically designed to counter low-cost aerial threats effectively and sustainably.
The Case for a Drone Hunter Killer (DHK)
The Advanced Drone Hunter Killer (DHK) offers clear operational advantages over traditional systems by providing a cost-effective, persistent, and adaptable platform specifically designed to counter low-cost drones, addressing concerns about its real-world effectiveness in diverse threat environments.
The DHK builds on proven aircraft platforms with demonstrated speeds of up to 350 mph and short takeoff and landing capabilities, enabling rapid deployment and reducing development risk, thereby ensuring timely integration into existing defence frameworks.
The DHK is envisioned as a turbofan-powered aircraft with long endurance and a payload capacity exceeding 2,000 pounds. Its primary role is to detect, track, shadow, and destroy drones at a fraction of the cost of traditional missile systems.
Design Philosophy and Platform Attributes
The DHK is built around endurance, flexibility, and operational simplicity. It is designed to remain on station for extended periods, allowing it to respond to threats as they emerge. This persistence is essential in counter-drone operations, where timing is unpredictable.
Its low-speed handling enables it to shadow drones effectively. Unlike high-speed interceptors that rely on quick engagements, the DHK can track targets patiently and engage them with precision. This improves engagement success rates.
The aircraft’s short takeoff and landing capability enables operations from runways as short as 500 to 1,500 feet. This allows deployment from forward bases, remote locations, and semi-prepared surfaces.
A modular payload architecture ensures that procurement officials understand that the DHK can be tailored for various missions, enhancing operational flexibility and long-term utility.
Advanced Detection and Engagement Capabilities
The DHK integrates advanced sensors to detect and track low-altitude and low-signature drones. Operating closer to the threat environment improves detection accuracy compared to ground-based systems.
The inclusion of 3D synthetic vision enhances pilot awareness. It provides a clear, real-time representation of the operational environment, enabling precise interception paths even in low-visibility conditions.
The ability to shadow drones and maintain continuous contact by matching their speed reassures defence strategists of precise, controlled engagement options.
Survivability is enhanced through tactical stealth features that provide resistance against shoulder-fired missiles. This allows the aircraft to operate safely at low altitudes where drone activity is concentrated.
The use of kinetic flak-field dispersal technology enables the DHK to engage multiple targets in a single sortie. Up to 30 drones can be neutralised in one mission, making it highly effective against swarm threats.
The DHK’s low operating cost of under USD 1,200 per hour aims to reassure defence policymakers that resource efficiency is achievable, fostering confidence in sustainable defence investments.
The DHK introduces a fundamental shift in air defence economics. Its operational cost is under USD 1,200 per hour, which is approximately ₹1 lakh per hour. Each flak-field deployment costs under USD 1,000, or about ₹83,000.
In contrast, missile interceptors can cost between ₹16 crore and ₹250 crore per shot. Engaging a swarm of drones using missile systems can result in costs running into hundreds of crores.
With the DHK, the same engagement can be carried out at a cost of a few lakhs. This represents a dramatic reduction in expenditure. More importantly, it allows multiple targets to be neutralised in a single mission.
This shift from per-shot cost to per-mission efficiency is critical for sustaining long-duration operations.
Operational Flexibility and Deployment
The DHK offers significant operational flexibility. Its ability to operate from short and semi-prepared runways allows deployment in forward areas and remote regions. It can be positioned close to potential threat zones, reducing response time.
The aircraft requires minimal ground support, simplifying logistics and enabling rapid redeployment. This flexibility is particularly valuable in dynamic conflict environments where threats can shift quickly.
Limitations and Role Definition
The DHK is not intended to replace all air defence systems. It is not suitable for countering hypersonic weapons, high-speed ballistic missiles, or advanced stealth aircraft.
Its role is clearly defined as a cost-effective solution for intercepting low-cost aerial threats, particularly drones and slow-moving projectiles. By focusing on this niche, it complements existing defence systems and enhances overall effectiveness.
Strategic Implications
The introduction of DHK platforms can significantly improve resource utilisation. High-cost interceptors can be reserved for high-value threats, while DHKs handle drone swarms and low-cost attacks.
Lower operational costs enable sustained deployments without placing excessive strain on budgets. This improves long-term operational sustainability.
If drone attacks consistently fail due to effective interception, adversaries may reconsider their use. This creates a deterrence effect.
The relatively lower cost of DHK platforms also allows for scalability. Fleets can be expanded more easily than missile inventories, providing flexibility in force planning.