Within Shot Cost
What Does a Cheap Laser Shot Really Cost?
A low firing cost can hide the much larger bill for buying, integrating, powering, cooling and maintaining a laser weapon.
On this page
- Marginal firing cost versus ownership cost
- Power, cooling and integration expenses
- When the cost exchange still works
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Introduction
Laser weapons are often advertised with strikingly low firing costs: a shot may consume only a few pounds’ worth of electricity, compared with missiles that can cost hundreds of thousands of pounds. That comparison is real, but it is incomplete. The headline figure describes the marginal cost of firing the beam, not the total cost of buying, integrating, powering, cooling, maintaining and operating the weapon system over its life. A laser may be cheap to shoot, yet expensive to own. The key question for defence planners is therefore not whether a laser shot costs £10 or £100, but whether the entire system can defeat enough threats over time to justify its acquisition and support costs. [Forces News]forcesnews.comForces NewsDragonFire: £10-a-shot laser weapon achieves UK first19 Jan 2024 — Its operating cost is typically less than £10 per shot…
Marginal Firing Cost Versus Ownership Cost
The appeal of directed energy weapons rests on a genuine economic advantage. Once installed and powered, a laser can engage targets without consuming missiles, shells or other physical interceptors. The UK’s DragonFire programme has repeatedly highlighted an operating cost typically below £10 per shot, while earlier US Navy laser programmes promoted engagements measured in dollars rather than thousands of dollars. [Forces News+2GOV.UK]forcesnews.comForces NewsDragonFire: £10-a-shot laser weapon achieves UK first19 Jan 2024 — Its operating cost is typically less than £10 per shot…
However, the cost-per-shot figure captures only one part of the balance sheet. A deployable military laser is not merely a beam generator. It is a complete weapon system that includes:
- High-energy laser modules.(#endnote-3 “Endnote 3”) [Wikipedia]WikipediaHigh Energy Laser with Integrated Optical-dazzler and SurveillanceHigh Energy Laser with Integrated Optical-dazzler and Surveillance
- Precision beam directors and stabilised turrets.
- Electro-optical and infrared tracking sensors.
- Fire-control software.
- Power-generation and power-conditioning equipment.
- Cooling and thermal-management systems.
- Maintenance infrastructure, spare parts and specialist personnel.
In many cases, these supporting elements represent a large share of the programme cost. For example, the US Navy’s HELIOS programme was awarded under a contract worth roughly $150 million for development and integration, reflecting the reality that turning a laboratory laser into a combat-capable naval weapon requires extensive engineering beyond the laser itself. [Wikipedia]WikipediaHigh Energy Laser with Integrated Optical-dazzler and SurveillanceHigh Energy Laser with Integrated Optical-dazzler and Surveillance
This distinction is familiar in other military technologies. A fighter aircraft may burn only a few thousand pounds’ worth of fuel during a sortie, yet nobody evaluates the aircraft solely by its fuel bill. Likewise, a laser’s electricity consumption is only one operating input within a much larger ownership cost structure.
Why Power and Cooling Become Major Expenses
The Hidden Infrastructure Behind the Beam
A high-energy laser converts electrical power into concentrated light, but no laser is perfectly efficient. Significant energy is lost as heat. The more powerful the beam, the greater the challenge of removing that heat without degrading performance or damaging components. [Defence Science Review]com.plcoolingDefence Science ReviewDEFENCE SCIENCE REVIEWJanuary 17, 2026 — by A Karkadakattil · 2026 · Cited by 1 — Laser DEWs provide a critical lay…
This creates a chain of requirements:
- Generate or access sufficient electrical power.
- Condition that power into a form suitable for the laser.
- Remove waste heat through cooling systems.
- Sustain repeated engagements without overheating.
The result is that a laser weapon often demands substantial supporting equipment. Naval platforms have advantages because ships possess larger electrical generation capacity and more space for thermal-management equipment. Even so, integration remains complex. HELIOS was designed specifically to work with the Navy’s Aegis combat system rather than simply being bolted onto a deck as an independent device. [Wikipedia]WikipediaHigh Energy Laser with Integrated Optical-dazzler and SurveillanceHigh Energy Laser with Integrated Optical-dazzler and Surveillance
For land vehicles, the challenge can be even more significant. Designers must find room and weight allowances for generators, batteries, cooling loops and control electronics while preserving mobility and protection.
Integration Costs Are Real Weapon Costs
Laser discussions often separate the beam from the rest of the system, but military users cannot. A laser that cannot find, track and maintain aim on a moving drone is not a useful air-defence asset.
Modern directed energy weapons therefore require integration with: [lockheedmartin.com]lockheedmartin.comDirected Energy | Lockheed MartinExperience the potential of our laser weapons and directed energy weapon technologies, providing afforda…
- Radar systems.
- Electro-optical tracking sensors.
- Combat-management software.
- Target identification systems.
- Existing air-defence command networks.
HELIOS, for example, was developed as an integrated weapon and sensor package connected directly to shipboard combat systems. DragonFire similarly depends on sophisticated target tracking and beam-control technologies rather than raw laser power alone. [Wikipedia]WikipediaHigh Energy Laser with Integrated Optical-dazzler and SurveillanceHigh Energy Laser with Integrated Optical-dazzler and Surveillance
These integration efforts are expensive, time-consuming and often platform-specific. A laser installed on one class of ship may require substantial redesign before it can be fitted to another vessel or vehicle.
Maintenance Can Erase Simple Cost Comparisons
The phrase “cheap shot” can unintentionally suggest a weapon that is cheap to operate overall. Yet advanced lasers contain highly sensitive optical components that must remain precisely aligned and protected from contamination.
Operational experience has shown that maintenance can become a major consideration. Reporting on US military directed energy programmes has highlighted cases where laser systems experienced cooling and battery issues during deployment testing and required specialist support. Government assessments have also noted that some repairs may require highly controlled environments rather than routine field servicing. [WIRED]wired.comArriving overseas in 2022 and actively engaging enemy drones, this marks a significant milestone in laser weapon technology for air defen…
This does not mean lasers are impractical. It means that maintenance costs, spare components and technical expertise must be included when comparing lasers with missiles, guns or electronic-warfare systems.
A missile interceptor may be expensive to fire, but its storage, handling and maintenance processes are generally well understood after decades of operational use. Directed energy systems are still building that institutional experience.
Why the Cost Exchange Can Still Favour Lasers
Despite these caveats, the low firing cost remains strategically important.
The crucial comparison is not between one laser shot and one missile shot. It is between the lifetime cost of the laser system and the number of threats it can engage over years of service.
Consider a ship facing repeated drone attacks. If the vessel must otherwise use expensive interceptors against every low-cost target, the cumulative cost of those missile engagements can become substantial. In that environment, a laser does not need to replace every defensive weapon. It only needs to remove enough routine drone engagements from the missile inventory to generate savings and preserve magazine depth. [GOV.UK]GOV.UKnew procurement rules help rapid fitting of military laser to royal navy shipsDragonFire has the potential to be a long-term low-cost alternative, such…
This is why many military organisations increasingly describe lasers as one layer within a broader defensive architecture rather than a replacement for traditional air defence. The laser handles suitable low-cost targets when conditions permit. Missiles remain available for longer-range, faster or more resilient threats. [RTX]rtx.comHigh-Energy Lasers | RaytheonThis directed energy technology enables detection of threats, tracking during maneuvers, and positive vis…
The Value of Magazine Depth
One of the strongest economic arguments for lasers is not the electricity bill but the ability to keep firing.
A missile launcher carries a finite number of interceptors. Once those interceptors are expended, reloading may be difficult or impossible during combat. A laser, by contrast, can continue engaging targets as long as sufficient power and cooling are available. Recent naval laser demonstrations have repeatedly highlighted this practical advantage of effectively unlimited ammunition relative to stored missiles. [Tom's Hardware]tomshardware.comBush supercarrier - 'system tracked, engaged, and neutralized multiple target drones,' has essentially unlimited power sourceApril 25, 20…
From a budgeting perspective, this means ownership costs may be front-loaded while engagement costs remain comparatively low throughout the weapon’s service life.
What Does a Cheap Laser Shot Really Cost?
The answer depends on which cost is being measured.
A laser shot may genuinely consume only a few pounds’ worth of electricity. That figure is useful because it highlights the potential economic advantage of defeating inexpensive drones without spending expensive interceptors. Yet the real military investment includes procurement contracts, platform modifications, power generation, cooling equipment, software integration, maintenance support and operator training. [Forces News+2GOV.UK]forcesnews.comForces NewsDragonFire: £10-a-shot laser weapon achieves UK first19 Jan 2024 — Its operating cost is typically less than £10 per shot…
The most accurate way to view laser economics is therefore as a two-level calculation. The marginal cost of firing is exceptionally low, but the ownership cost is substantial. Whether the technology delivers value depends on how often it is used, what threats it replaces, and how effectively it reduces pressure on more expensive defensive systems. In that sense, the cheap laser shot is real—but it is only the final visible part of a much larger and more expensive machine. [Wikipedia+2Tom's Hardware]WikipediaHigh Energy Laser with Integrated Optical-dazzler and SurveillanceHigh Energy Laser with Integrated Optical-dazzler and Surveillance
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Endnotes
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Source: GOV.UK
Title: new procurement rules help rapid fitting of military laser to royal navy ships
Link: https://www.gov.uk/government/news/new-procurement-rules-help-rapid-fitting-of-military-laser-to-royal-navy-shipsSource snippet
DragonFire has the potential to be a long-term low-cost alternative, such...
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Source: Wikipedia
Title: AN/SEQ-3 Laser Weapon System
Link: https://en.wikipedia.org/wiki/AN/SEQ-3_Laser_Weapon_SystemSource snippet
AN/SEQ-3 Laser Weapon SystemThe AN/SEQ-3 Laser Weapon System or XN-1 LaWS is a laser weapon developed by the United States Navy. The w...
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Source: Wikipedia
Title: High Energy Laser with Integrated Optical-dazzler and Surveillance
Link: https://en.wikipedia.org/wiki/High_Energy_Laser_with_Integrated_Optical-dazzler_and_Surveillance -
Source: defencesciencereview.com.pl
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 — Laser DEWs provide a critical lay...
Published: January 17, 2026
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Source: wired.com
Link: https://www.wired.com/story/laser-wars-us-military-laser-weaponsSource snippet
Arriving overseas in 2022 and actively engaging enemy drones, this marks a significant milestone in laser weapon technology for air defen...
-
Source: rtx.com
Link: https://www.rtx.com/raytheon/what-we-do/integrated-air-and-missile-defense/lasersSource snippet
High-Energy Lasers | RaytheonThis directed energy technology enables detection of threats, tracking during maneuvers, and positive vis...
-
Source: forcesnews.com
Link: https://www.forcesnews.com/technology/weapons-and-kit/dragonfire-cutting-edge-laser-air-and-sea-weapon-achieves-mod-testingSource snippet
Forces NewsDragonFire: £10-a-shot laser weapon achieves UK first19 Jan 2024 — Its operating cost is typically less than £10 per shot...
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Source: tomshardware.com
Link: https://www.tomshardware.com/tech-industry/us-navy-tests-laser-weapon-that-shoots-down-drones-on-the-uss-george-h-w-bush-supercarrier-system-tracked-engaged-and-neutralized-multiple-target-drones-has-essentially-unlimited-power-sourceSource snippet
Bush supercarrier - 'system tracked, engaged, and neutralized multiple target drones,' has essentially unlimited power sourceApril 25, 20...
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Source: tomshardware.com
Title: uk confirms dragonfire laser weapon for royal navy destroyers by 2027
Link: https://www.tomshardware.com/tech-industry/uk-confirms-dragonfire-laser-weapon-for-royal-navy-destroyers-by-2027Source snippet
This follows a £316 million ($414 million) contract awarded to MBDA UK for the first two production units. DragonFire, a 50 kW-class lase...
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Source: lockheedmartin.com
Link: https://www.lockheedmartin.com/en-us/capabilities/directed-energy.htmlSource snippet
Directed Energy | Lockheed MartinExperience the potential of our laser weapons and directed energy weapon technologies, providing afforda...
Additional References
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Source: reddit.com
Link: https://www.reddit.com/r/europe/comments/19crko7/dragonfire_laser_uk_successfully_tests_weapon_as/Source snippet
DragonFire laser: UK successfully tests weapon as low-...DragonFire system for 10 seconds is the cost equivalent of using a regular heat...
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Source: thesun.co.uk
Link: https://www.thesun.co.uk/news/33175795/navy-helios-laser-drone-warship/Source snippet
HELIOS, standing for High Energy Laser with Integrated Optical-dazzler and Surveillance, aims to bolster the Navy's defensive capabilitie...
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Source: facebook.com
Link: https://www.facebook.com/BBCBedsHertsBucks/posts/the-316m-will-be-used-to-develop-the-dragonfire-laser-at-mbdas-uk-headquarters-i/1406745504791950/Source snippet
The £316m will be used to develop the DragonFire laser at...the cost per shot is about £10 (US$13). Developers say even a concentrated b...
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Source: instagram.com
Link: https://www.instagram.com/reel/DRUtM8hDKZS/?hl=enSource snippet
UK Government Scotland on Instagram: "Introducing...With precision accuracy and costing only around 10 pound per shot. The cost of opera...
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Source: prnewswire.co.uk
Link: https://www.prnewswire.co.uk/news-releases/military-laser-systems-market-to-reach-usd-10-685-36-million-by-2032–growing-at-a-cagr-of-8-59-credence-research-302517764.htmlSource snippet
Military Laser Systems Market to Reach USD...30 Jul 2025 — Laser-based systems offer a low cost per shot compared to traditional munitio...
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Source: navalnews.com
Link: https://www.navalnews.com/naval-news/2025/02/u-s-navy-helios-laser-test-underscores-greater-advancements-in-directed-energy-weapons/Source snippet
Navy HELIOS laser test underscores greater...4 Feb 2025 — The US Navy's High Energy Laser and Integrated Optical Dazzler and Surveillanc...
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Source: breakingdefense.com
Link: https://breakingdefense.com/2024/01/in-first-uk-test-fires-13-per-strike-dragonfire-laser-weapon-against-aerial-targets/Source snippet
In first, UK test fires $13-per-strike DragonFire laser...19 Jan 2024 — Dstl said that the laser has an operating cost “typically less t...
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Source: facebook.com
Title: lockheed martin has delivered a 60 kw class high energy laser to the us navy
Link: https://www.facebook.com/ukdefencejournal/posts/lockheed-martin-has-delivered-a-60-kw-class-high-energy-laser-to-the-us-navy/5545784628801540/Source snippet
Lockheed Martin has delivered a 60+ kW-class highLockheed Martin delivered to the US Navy a 60+ kW-class high energy laser with integrate...
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Source: youtube.com
Link: https://www.youtube.com/watch?v=cvQV7Mt02q4Source snippet
Finally! Watch the US Navy's Laser Weapon in ActionThe Helios is the US Navy's first truly operational laser weapon with enough energy to...
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Source: youtube.com
Link: https://www.youtube.com/watch?v=MTveg8UHtDsSource snippet
LGD: DragonFire: Britain's Laser Weapon That Costs Less...At just £10 per shot, DragonFire is a bargain compared to traditional missile...
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