Within Drone Defence
Can Cheap Laser Shots Preserve Expensive Missiles?
DragonFire's strongest advantage may be reducing missile use against cheap drones rather than replacing missiles outright.
On this page
- The Cost Exchange Problem
- Layered Air Defence Choices
- Limits of Cost Based Advantages
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Introduction
The strongest economic argument for laser weapons such as DragonFire is not that they replace missiles, but that they prevent missiles from being wasted on targets that do not justify their cost. Modern air defence increasingly faces a cost-exchange problem: attackers can launch relatively cheap drones in large numbers, while defenders often respond with interceptors costing hundreds of thousands or even millions of pounds. In that environment, the defender may win tactically yet lose economically by exhausting expensive missile inventories. DragonFire is intended to change that equation by using electrical power to destroy suitable drone targets at a reported operating cost of roughly £10 per engagement, preserving scarce missile stocks for threats that genuinely require them. [GOV.UK]GOV.UKadvanced future military laser achieves uk first19 Jan 2024 — Firing it for 10 seconds is the cost equivalent missiles currently carry out. The cost of operating the laser is typically…
The Cost Exchange Problem
Air defence has traditionally been designed around defeating high-value threats such as aircraft, cruise missiles and ballistic missiles. The rapid spread of low-cost drones has created a different challenge. A drone costing tens of thousands of pounds—or in some cases considerably less—can force a defender to launch an interceptor worth many times more. Analysts increasingly describe this as a cost-exchange battle in which the attacker attempts to impose disproportionate defensive costs. [Public Spend Forum+2CSIS]publicspendforum.netcheap drones are reshaping the economics of counter uas and air defense· Defensive responses can sit on a completely different cost curve. · This is not…Read more…
Recent conflicts have repeatedly exposed this imbalance. Reporting on drone warfare in the Middle East and Ukraine notes that sophisticated missile systems are sometimes being used against mass-produced drones costing only a fraction of the interceptor price. The concern is not merely financial. Missile inventories are finite, production lines are strained, and replenishment can take months or years. Every missile used against a low-end drone is one less available for a more dangerous threat. [The Times+2rand.org]thetimes.comThe Times America Downs Cheap Drones With Million-Dollar MissilesA Fix Is In the Works.As drone warfare escalates with the mass deployment of low-cost Iranian drones like the Shahed, the U.S. and allies…
DragonFire directly targets this problem. The UK government states that operating the system typically costs less than £10 per shot, while official statements and defence reporting contrast this with traditional interceptor missiles that can cost hundreds of thousands of pounds per engagement. The economic gap is therefore measured not in percentages but in orders of magnitude. [GOV.UK+2Defence Equipment & Support]GOV.UKadvanced future military laser achieves uk first19 Jan 2024 — Firing it for 10 seconds is the cost equivalent missiles currently carry out. The cost of operating the laser is typically…
The value of such a gap becomes clearer during saturation attacks. If dozens of drones arrive simultaneously, a missile-only defence risks rapidly consuming expensive munitions. A laser weapon offers a way to absorb part of that attack without drawing from missile stocks, improving the defender’s long-term sustainability. [CSIS]csis.orgdrone saturation russias shahed campaignDrone Saturation: Russia's Shahed Campaign13 May 2025 — Ukraine urgently requires layered, cost-effective air defenses, including hig…
Layered Air Defence Choices
The practical role of DragonFire is best understood as one layer within a larger defensive system rather than as a universal replacement for missiles.
Modern air defence increasingly relies on layered responses. Long-range missiles engage the most dangerous threats at distance. Short-range missiles, guns, electronic warfare systems and interceptor drones provide additional defensive layers closer to the protected asset. High-energy lasers are being developed as another layer within this architecture. [CSIS+2CSIS]csis.orgCost and Value in Air and Missile Defense Intercepts13 Feb 2024 — Shorter-range interceptors are cheaper, but also can only provide d…
In this framework, a laser’s contribution is selective missile preservation:
- Engage inexpensive drones when conditions permit.
- Reserve missile magazines for cruise missiles, ballistic missiles and other difficult targets.
- Reduce pressure on ammunition resupply and production.
- Increase the number of engagements that can be sustained during prolonged attacks. [rand.org+2Sentrycs]rand.orgdirected energy the focus on laser weapons intensifiesDirected Energy: The Focus on Laser Weapons Intensifies25 Jan 2024 — Directed energy weapons offer a more cost-efficient means of dealing…
This preservation effect is often more important than the direct savings from any individual engagement. A destroyer carrying a fixed number of air-defence missiles cannot simply reload at sea. If a swarm of drones forces dozens of launches, missile depletion becomes an operational risk even if every interception succeeds. A laser system draws on shipboard power generation instead of consuming a physical interceptor, creating what defence analysts call a “deep magazine” constrained mainly by electricity and cooling capacity rather than stored ammunition. [Sentrycs]sentrycs.comDirected Energy Weapons (DEW)Directed Energy Weapons use electromagnetic energy to disable drones. Learn how HEL lasers and HPM s…
Recent defence thinking reflects this shift. Analysts examining drone campaigns in Ukraine and the Gulf increasingly emphasise lower-cost defensive layers—including interceptor drones and high-energy lasers—not because missiles are obsolete, but because preserving expensive interceptors has become a strategic requirement. [CSIS+2CSIS]csis.orgunpacking irans drone campaign gulf early lessons future drone warfareUnpacking Iran's Drone Campaign in the Gulf10 Mar 2026 — Interceptor drones have become a core layer of air defense because they are…
Why Missile Preservation Matters More Than Shot Cost
Focusing only on the advertised cost per laser shot risks missing the larger mechanism.
The true economic benefit is inventory preservation. Missile shortages can constrain operations long before defence budgets are exhausted. RAND researchers argue that directed-energy weapons could relieve pressure on stretched munitions stockpiles and free conventional weapons for missions where they remain essential. [rand.org]rand.orgdirected energy the focus on laser weapons intensifiesDirected Energy: The Focus on Laser Weapons Intensifies25 Jan 2024 — Directed energy weapons offer a more cost-efficient means of dealing…
This distinction matters because military effectiveness depends on having the right weapon available at the right time. A navy that spends valuable interceptors defeating cheap drones may find itself with fewer options when confronted by anti-ship missiles or more sophisticated threats later in the same operation. The value of a laser engagement therefore includes both the cost avoided and the missile retained for future use. [CSIS]csis.orgCost and Value in Air and Missile Defense Intercepts13 Feb 2024 — Shorter-range interceptors are cheaper, but also can only provide d…
Recent efforts to develop low-cost interceptor missiles and interceptor drones demonstrate that militaries increasingly view inventory management as a central air-defence challenge. New systems costing thousands rather than hundreds of thousands of pounds are being pursued specifically to improve the cost curve and conserve premium interceptors. Laser weapons represent one version of the same strategic logic. [The Times+2Business Insider]thetimes.comThe Times America Downs Cheap Drones With Million-Dollar MissilesA Fix Is In the Works.As drone warfare escalates with the mass deployment of low-cost Iranian drones like the Shahed, the U.S. and allies…
Limits of Cost-Based Advantages
The economic case for lasers is compelling, but it is not universal.
A favourable cost exchange does not automatically make a laser the correct engagement choice. High-energy lasers remain dependent on line of sight, atmospheric conditions, target tracking quality, available power and sufficient dwell time on the target. Some threats may still require missile interception because they are too distant, too numerous, too resilient or approaching under conditions that reduce laser effectiveness. [Defence Science Review]com.plpdf 216776 135052Defence Science ReviewDEFENCE SCIENCE REVIEWJanuary 17, 2026 — by A Karkadakattil · 2026 · Cited by 1 — Objectives: This review aims to e…
There is also a danger in reducing air-defence decisions to simple arithmetic. Some analysts caution that interceptor value cannot be measured solely against target price. A relatively cheap drone may threaten a warship, an airbase or critical infrastructure whose value vastly exceeds the cost of the interceptor used against it. In such cases, expensive missile use can remain entirely rational. [Modern War Institute]mwi.westpoint.eduthe indispensable interceptor air defense and the problem of cost exchange logicThese concerns are valid—to a…Read more…
For that reason, DragonFire’s strongest justification is not that it makes missiles unnecessary. Rather, it gives commanders another option. When a drone can be defeated by a low-cost laser shot, an expensive missile can remain in reserve. When conditions favour missile use, the missile layer remains available.
The Strategic Mechanism
The central mechanism behind DragonFire’s counter-drone value is straightforward: convert part of the air-defence burden from a missile-consumption problem into a power-generation problem.
If the system can reliably destroy suitable drones at a cost measured in pounds rather than hundreds of thousands of pounds, each successful laser engagement preserves both money and missile inventory. In an era increasingly defined by mass drone attacks and saturation tactics, that preservation effect may prove more strategically important than the laser itself. The key advantage is not replacing missiles outright; it is ensuring that missiles are still available when they are truly needed. [CSIS+3GOV.UK+3Defence Equipment & Support]GOV.UKadvanced future military laser achieves uk first19 Jan 2024 — Firing it for 10 seconds is the cost equivalent missiles currently carry out. The cost of operating the laser is typically…
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Endnotes
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Source: GOV.UK
Title: advanced future military laser achieves uk first
Link: https://www.gov.uk/government/news/advanced-future-military-laser-achieves-uk-firstSource snippet
19 Jan 2024 — Firing it for 10 seconds is the cost equivalent missiles currently carry out. The cost of operating the laser is typically...
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Source: csis.org
Link: https://www.csis.org/analysis/cost-and-value-air-and-missile-defense-interceptsSource snippet
Cost and Value in Air and Missile Defense Intercepts13 Feb 2024 — Shorter-range interceptors are cheaper, but also can only provide d...
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Title: directed energy the focus on laser weapons intensifies
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Directed Energy: The Focus on Laser Weapons Intensifies25 Jan 2024 — Directed energy weapons offer a more cost-efficient means of dealing...
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Title: unpacking irans drone campaign gulf early lessons future drone warfare
Link: https://www.csis.org/analysis/unpacking-irans-drone-campaign-gulf-early-lessons-future-drone-warfareSource snippet
Unpacking Iran's Drone Campaign in the Gulf10 Mar 2026 — Interceptor drones have become a core layer of air defense because they are...
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Source: csis.org
Title: drone saturation russias shahed campaign
Link: https://www.csis.org/analysis/drone-saturation-russias-shahed-campaignSource snippet
Drone Saturation: Russia's Shahed Campaign13 May 2025 — Ukraine urgently requires layered, cost-effective air defenses, including hig...
Published: May 2025
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Source: sentrycs.com
Link: https://sentrycs.com/glossary/directed-energy-weapons-dew/Source snippet
Directed Energy Weapons (DEW)Directed Energy Weapons use electromagnetic energy to disable drones. Learn how HEL lasers and HPM s...
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Source: csis.org
Title: calculating cost effectiveness russias drone strikes
Link: https://www.csis.org/analysis/calculating-cost-effectiveness-russias-drone-strikesSource snippet
Calculating the Cost-Effectiveness of Russia's Drone Strikes19 Feb 2025 — This installment of the Russian Firepower Striker Tracker explo...
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Explore kinetic and non-kinetic C-UAS mitigation methods to safely neutralize rogue aerial threats...
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Title: boost for armed forces as new laser weapon takes down [high speed]({{ ‘650-km-h/’ | relative_url }}) drones
Link: https://www.gov.uk/government/news/boost-for-armed-forces-as-new-laser-weapon-takes-down-high-speed-dronesSource snippet
It is a more cost-effective method in...Read more...
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Link: https://www.publicspendforum.net/blogs/ash-bedi/2026/04/20/cheap-drones-are-reshaping-the-economics-of-counter-uas-and-air-defense/Source snippet
· Defensive responses can sit on a completely different cost curve. · This is not...Read more...
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Source: thetimes.com
Title: The Times America Downs Cheap Drones With Million-Dollar Missiles
Link: https://www.thetimes.com/business/wsj/article/america-downs-cheap-drones-with-million-dollar-missiles-a-fix-is-in-the-works-vqqjrr0b9Source snippet
A Fix Is In the Works.As drone warfare escalates with the mass deployment of low-cost Iranian drones like the Shahed, the U.S. and allies...
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Source: des.mod.uk
Title: boost for armed forces as new laser weapon takes down high speed drones
Link: https://des.mod.uk/boost-for-armed-forces-as-new-laser-weapon-takes-down-high-speed-drones/Source snippet
Defence Equipment & SupportBoost for Armed Forces as new laser weapon takes down...20 Nov 2025 — The laser system costs just £10 per sho...
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Link: https://www.businessinsider.com/us-army-buying-cheap-interceptor-drones-flip-cost-war-iran-2026-4Source snippet
Army has rapidly acquired over 13,000 low-cost interceptor drones to counter the threat of Iranian Shahed drones. The Merops system, deve...
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Source: thetimes.co.uk
Link: https://www.thetimes.co.uk/article/nato-drones-frankenburg-russia-ukraine-poland-28sklft3pSource snippet
A recent incident where Dutch F-35s used £400,000 missiles to down drones worth about £30,000 each has highlighted the unsustainable cost...
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Source: defencesciencereview.com.pl
Title: pdf 216776 135052
Link: https://www.defencesciencereview.com.pl/pdf-216776-135052?filename=Laser-Based-[Directed-EnerSource snippet
Defence Science ReviewDEFENCE SCIENCE REVIEWJanuary 17, 2026 — by A Karkadakattil · 2026 · Cited by 1 — Objectives: This review aims to e...
Published: January 17, 2026
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These concerns are valid—to a...Read more...
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Laser weaponA laser weapon is a type of directed-energy weapon (DEW) that uses lasers to inflict damage. Laser weapons are of two type...
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Additional References
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Directed Energy | Lockheed MartinExperience the potential of our laser weapons and directed energy weapon technologies, providing afforda...
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Iran's Drone Campaign: GCC States Under PressureSome numbers that explain why this matters. Cost dynamics: • Merops interceptor: about $1...
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Directed-Energy Weapons Transition to Mass Deployment12 May 2026 — It won't take long for others to figure out to give their drones and m...
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Link: https://militarnyi.com/en/news/dragonfire-laser-successfully-shoots-down-drone-at-650-km-h-britain-orders-systems-for-destroyers/ -
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UK beefs up Royal Navy counter-drone tech with $413...Britains DragonFire laser technology has successfully destroyed drones travelling...
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quantitative analysis of low-cost drone warfareCost-effectiveness analysis demonstrates that FPV drones achieve approximately $1,036 per...
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UK beefs up Royal Navy counter-drone tech with $413...20 Nov 2025 — Britain on Thursday awarded a 316-million-pound ($413 million) contr...
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Directed Energy in Air Base Defense Can Save the Arsenal11 Aug 2025 — Directed energy weapons, including high-energy lasers and high-powe...
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The threat spectrum is expanding simultaneously: • mass drone attacks • long-range cruise missiles •...Read more...
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