Within Shot Cost
When Do Cheap Laser Shots Pay Off?
DragonFire saves money only when it reliably defeats enough suitable threats to offset acquisition, support, and fallback missile costs.
On this page
- The break even logic behind cheap engagements
- Why reliability and target choice decide the savings
- How missile preservation changes the value calculation
Page outline Jump by section
Introduction
DragonFire’s much-publicised “£10 per shot” figure only becomes a genuine financial advantage when the system destroys enough suitable targets to offset the far larger costs of buying, integrating, maintaining and operating the weapon. The economic argument is therefore not about electricity prices. It is about whether a naval laser can replace expensive missile engagements often enough, and reliably enough, to improve the overall cost of air defence. DragonFire’s value rises sharply when it defeats low-cost drones that would otherwise consume costly interceptors, preserves limited missile inventories during prolonged operations, and remains effective under real battlefield conditions. If those conditions are not met, the headline cost-per-shot figure becomes far less significant. [GOV.UK+2Reuters]GOV.UKboost for armed forces as new laser weapon takes down high speed dronesThe cutting-edge DragonFire…Read more…
The Break-Even Logic Behind Cheap Engagements
A laser engagement is economically attractive because it changes the cost-exchange ratio between attacker and defender. Modern militaries increasingly face inexpensive drones that can cost a few thousand or tens of thousands of pounds, while the missiles used to intercept them may cost hundreds of thousands of pounds each. DragonFire is intended to reverse that imbalance by replacing some missile shots with engagements costing roughly £10 in electrical energy. [GOV.UK+2Reuters]GOV.UKboost for armed forces as new laser weapon takes down high speed dronesThe cutting-edge DragonFire…Read more…
The problem is that the laser itself is not free. The UK has committed £316 million to deliver operational DragonFire systems for Royal Navy service, following years of development and testing. The weapon therefore has to generate savings over many years of service before it can be judged economically successful. [Reuters+2MBDA Systems]reuters.comThis initiative is part of Britain's efforts to enhance its naval defenses, particularly against drone threats. The DragonFire system is…
In simplified terms, the break-even calculation looks like this:
- How many missile engagements can DragonFire replace?
- How often can it destroy targets successfully on the first attempt?
- How much does the fleet save in interceptor purchases and replenishment?
- What additional support, maintenance and integration costs does the laser create?
The laser does not need to replace every missile. Even substituting for a fraction of engagements against drones and other low-cost aerial threats could produce substantial savings if missile expenditure would otherwise be high. This is why defence planners focus on sustained operational use rather than the electricity bill of an individual shot. [RAND Corporation+2Drone Warfare]rand.orgRAND CorporationDirected Energy Dilemmas: Industrial Implications of…February 20, 2024 — 20 Feb 2024 — DEWs offer a way of dealing wit…
Why Reliability and Target Choice Decide the Savings
The cheapest engagement is not necessarily the cheapest defence outcome. If a laser fails to neutralise a threat and a missile must then be fired anyway, the defender may incur both the laser engagement cost and the missile cost.
For that reason, DragonFire’s economics depend heavily on reliability. Official trials have demonstrated successful interceptions of aerial targets, including high-speed drones, and the system is promoted as being capable of highly precise targeting. Those achievements are important because cost savings only emerge when successful laser kills replace conventional interceptors rather than supplement them. [Leonardo UK+2GOV.UK]uk.leonardo.comUKDragon Fire – Laser Directed Energy WeaponLeonardo UKDragonFire – Laser Directed Energy Weapon - Leonardo UKThe DragonFire laser directed energy weapon (LDEW) system achieved the…
Target selection is equally important. DragonFire is most economically attractive against threats such as:
- Small and medium drones.
- Reconnaissance UAVs.
- Loitering munitions.
- Other relatively low-cost airborne systems.
These are precisely the targets that can create unfavourable economic exchanges when expensive missiles are used against them. Research on drone warfare repeatedly highlights how defenders can spend vastly more money on interception than attackers spend on the attacking systems themselves. [SSRN+2ResearchGate]papers.ssrn.coma quantitative analysis of low-cost drone warfareKey findings reveal profound cost-exchange ratios that favor drone operators: Patrio…
The laser becomes less economically decisive when facing targets that require extremely high confidence of destruction, operate beyond effective laser conditions, or demand engagement at longer ranges. In such situations conventional missiles may still be preferred, reducing the number of opportunities for the laser to generate savings. Weather, atmospheric interference and line-of-sight constraints remain recognised limitations of high-energy laser systems. [Tom's Hardware+2Navy Lookout]tomshardware.comA $413 million (£316 million) contract has been awarded to MBDA UK to deploy DragonFire on the Royal Navy’s Type 45 destroyers starting i…
How Missile Preservation Changes the Value Calculation
One of DragonFire’s most important economic benefits may not appear in a simple cost-per-shot comparison at all.
Warships carry only a finite number of missiles. Once those missiles are expended, replenishment may require returning to port or arranging complex resupply operations. During prolonged deployments or saturation attacks, preserving missile stocks can become as important as reducing expenditure. [Interesting Engineering+2UK Defence Journal]interestingengineering.comuk dragonfire laser 2027 deploymentInteresting EngineeringUK sets DragonFire laser for 2027 with near-zero cost per…2 Apr 2026 — DragonFire's near-zero cost per shot cou…
A laser offers what is often described as an extremely deep or effectively renewable magazine, provided sufficient electrical power is available. Instead of consuming a physical interceptor every time a drone appears, the ship can engage many suitable targets without depleting its missile inventory. [Interesting Engineering+2TechRadar]interestingengineering.comuk dragonfire laser 2027 deploymentInteresting EngineeringUK sets DragonFire laser for 2027 with near-zero cost per…2 Apr 2026 — DragonFire's near-zero cost per shot cou…
This changes the value equation in three ways:
First, missile stocks are reserved for harder targets. High-performance aircraft, anti-ship missiles and other demanding threats can continue to receive priority access to the ship’s conventional interceptors. [RAND Corporation]rand.orgRAND CorporationDirected Energy Dilemmas: Industrial Implications of…February 20, 2024 — 20 Feb 2024 — DEWs offer a way of dealing wit…
Second, logistics costs may fall. Fewer missile expenditures mean fewer replacement rounds need to be procured, transported and stored over the system’s lifetime. [UK Defence Journal]ukdefencejournal.org.uklaser gun confirmed for british warship next yearUK Defence JournalLaser gun confirmed for British warship next year31 Mar 2026 — One of the key features highlighted by the Ministry of D…
Third, resilience during saturation attacks improves. A ship facing numerous low-cost drones may be able to continue engaging targets without rapidly exhausting finite missile inventories. This scenario is one of the strongest arguments for directed-energy weapons across multiple navies. [Interesting Engineering+2RAND Corporation]interestingengineering.comuk dragonfire laser 2027 deploymentInteresting EngineeringUK sets DragonFire laser for 2027 with near-zero cost per…2 Apr 2026 — DragonFire's near-zero cost per shot cou…
The Conditions Required for Real Savings
DragonFire’s low firing cost is best understood as a necessary condition for savings, not a sufficient one. Real financial benefits emerge only when several factors align:
- The system consistently destroys the targets it is assigned.
- The targets are numerous enough that missile expenditure would otherwise be significant.
- Environmental conditions allow effective laser operation.
- The laser replaces missile engagements rather than merely adding another defensive layer.
- The operational savings generated over years of service outweigh procurement, integration and support costs. [laserwars.net+3GOV.UK+3Tom's Hardware]GOV.UKboost for armed forces as new laser weapon takes down high speed dronesThe cutting-edge DragonFire…Read more…
Under those conditions, the economic case becomes compelling. A warship that repeatedly defeats drone threats with laser energy instead of expensive interceptors can reduce operating costs, preserve scarce missiles and improve endurance. Without sufficient reliability or suitable targets, however, the famous “£10 shot” remains an interesting technical statistic rather than a transformative financial advantage. [Reuters+2Defense News]reuters.comThis initiative is part of Britain's efforts to enhance its naval defenses, particularly against drone threats. The DragonFire system is…
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Endnotes
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Source: GOV.UK
Title: boost for armed forces as new laser weapon takes down high speed drones
Link: https://www.gov.uk/government/news/boost-for-armed-forces-as-new-laser-weapon-takes-down-high-speed-dronesSource snippet
The cutting-edge DragonFire...Read more...
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Source: reuters.com
Link: https://www.reuters.com/world/uk/uk-beefs-up-royal-navy-counter-drone-tech-with-413-mln-laser-contract-2025-11-20/Source snippet
This initiative is part of Britain's efforts to enhance its naval defenses, particularly against drone threats. The DragonFire system is...
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Source: laserwars.net
Title: uk royal navy dragonfire laser weapon contract
Link: https://www.laserwars.net/p/uk-royal-navy-dragonfire-laser-weapon-contractSource snippet
The Royal Navy's First Laser Weapon Is Officially Headed...Nov 21, 2025 — £316 million ($413 million) contract to outfit a Royal Navy Ty...
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Source: mbda-systems.com
Title: uk defence minister visits mbda dragonfire laser weapon contract announcement
Link: https://www.mbda-systems.com/uk-defence-minister-visits-mbda-dragonfire-laser-weapon-contract-announcementSource snippet
316 million contract to deliver new DRAGONFIRE laser weapon systems to the Royal Navy from 2027. Chris Allam, UK Managing Director at MBD...
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Source: rand.org
Link: https://www.rand.org/pubs/commentary/2024/02/directed-energy-dilemmas-industrial-implications-of.htmlSource snippet
RAND CorporationDirected Energy Dilemmas: Industrial Implications of...February 20, 2024 — 20 Feb 2024 — DEWs offer a way of dealing wit...
Published: February 20, 2024
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Source: drone-warfare.com
Link: https://drone-warfare.com/counter-uas/drone-defeat/Source snippet
Counter-UAS 101 – Drone Defeat and Kinetic MitigationThe emerging consensus favors cheap gun-based effectors, directed energy weapons, an...
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Source: uk.leonardo.com
Title: UKDragon Fire – Laser Directed Energy Weapon
Link: https://uk.leonardo.com/en/innovation/dragonfireSource snippet
Leonardo UKDragonFire – Laser Directed Energy Weapon - Leonardo UKThe DragonFire laser directed energy weapon (LDEW) system achieved the...
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Source: papers.ssrn.com
Link: https://papers.ssrn.com/sol3/Delivery.cfm/6375919.pdf?abstractid=6375919&mirid=1Source snippet
a quantitative analysis of low-cost drone warfareKey findings reveal profound cost-exchange ratios that favor drone operators: Patrio...
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Source: researchgate.net
Link: https://www.researchgate.net/publication/401707891_Cost-Effectiveness_Analysis_of_Counter-Unmanned_Aircraft_Systems_Technologies_A_Comparative_Study_of_Kinetic_Electronic_Warfare_and_Directed_Energy_Countermeasures_2022-2026Source snippet
Cost-Effectiveness Analysis of Counter-Unmanned Aircraft...9 Mar 2026 — Cost-exchange ratio analysis revealed that only gun...
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Source: techradar.com
Link: https://www.techradar.com/pro/the-usd5-drone-killer-the-navys-new-20kw-locust-laser-just-proved-its-unlimited-magazine-depth-on-the-uss-george-h-w-bush-it-neutralized-multiple-uavs-for-a-fraction-of-the-cost-of-a-missile-protecting-the-fleet-from-cheap-enemy-drone-[swarmsSource snippet
Bush - it neutralized multiple UAVs for a fraction of the cost of a missile, protecting the fleet from cheap enemy drone swarmsThe U.S. N...
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Source: allanmlees59.medium.com
Link: https://allanmlees59.medium.com/directed-energy-weapons-the-new-answer-to-everything-0c8e88dd8b31Source snippet
Energy Weapons: The New Answer To Everything?The great selling point of lasers is, supposedly, their cheapness...
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Source: defensenews.com
Title: uk royal navy to equip mbdas drone frying lasers by 2027
Link: https://www.defensenews.com/global/europe/2025/11/20/uk-royal-navy-to-equip-mbdas-drone-frying-lasers-by-2027/Source snippet
UK Royal Navy to equip MBDA's drone-frying lasers by 202720 Nov 2025 — The DragonFire laser system costs £10 a shot, compared to upwards...
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Source: tomshardware.com
Link: https://www.tomshardware.com/tech-industry/uk-dragonfire-laser-downs-high-speed-dronesSource snippet
A $413 million (£316 million) contract has been awarded to MBDA UK to deploy DragonFire on the Royal Navy’s Type 45 destroyers starting i...
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Source: navylookout.com
Link: https://www.navylookout.com/dragonfire-directed-energy-weapon-to-be-fitted-to-four-royal-navy-warships-by-2027/Source snippet
Drone in most cases also have weather limitations. It is an additional weapon in the arsenal so should...Read more...
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Source: interestingengineering.com
Title: uk dragonfire laser 2027 [deployment]({{ ‘deployment/’ | relative_url }})
Link: https://interestingengineering.com/military/uk-dragonfire-laser-2027-deploymentSource snippet
Interesting EngineeringUK sets DragonFire laser for 2027 with near-zero cost per...2 Apr 2026 — DragonFire's near-zero cost per shot cou...
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Source: ukdefencejournal.org.uk
Title: laser gun confirmed for british warship next year
Link: https://ukdefencejournal.org.uk/laser-gun-confirmed-for-british-warship-next-year/Source snippet
UK Defence JournalLaser gun confirmed for British warship next year31 Mar 2026 — One of the key features highlighted by the Ministry of D...
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Source: navylookout.com
Title: contract to deliver first laser weapons for the royal navy agreed
Link: https://www.navylookout.com/contract-to-deliver-first-laser-weapons-for-the-royal-navy-agreed/Source snippet
Contract to deliver first laser weapons for the Royal...20 Nov 2025 — Costing around £79M per shipset, this appears to be exceptionally...
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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
UK confirms drone-killing DragonFire laser weapon for...5 Apr 2026 — UK confirms drone-killing DragonFire laser weapon for Royal Navy de...
Additional References
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Source: facebook.com
Link: https://www.facebook.com/theministryofdefence/videos/dragonfire-is-a-highly-advanced-laser-directed-energy-weapon-designed-and-built-/1172317644377460/Source snippet
DragonFire is a highly advanced laser directed energy...DragonFire is a highly advanced laser directed energy weapon, designed and built...
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Source: facebook.com
Link: https://www.facebook.com/ukdefencejournal/posts/dragonfire-is-the-uks-new-high-power-laser-weapon-system-intended-for-royal-navy/1253817143458213/Source snippet
DragonFire is the UK's new high-power laser weapon...DragonFire, the UK's laser weapon, which costs no more than £10 per shot and can en...
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Source: instagram.com
Link: https://www.instagram.com/reel/DRUtM8hDKZS/?hl=enSource snippet
UK Government Scotland on Instagram: "Introducing...The UK has officially tested DragonFire, a futuristic laser weapon designed to destr...
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Source: facebook.com
Link: https://www.facebook.com/groups/930540941927100/posts/1580928933554961/Source snippet
UK's Dragonfire laser weapon destroys drones at low costWeather conditions and atmospheric interference remain the primary limitations. T...
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Source: youtube.com
Link: https://www.youtube.com/watch?v=P3wjzIz67ds -
Source: youtube.com
Link: https://www.youtube.com/watch?v=Vg2IuPKqvt4Source snippet
DragonFire: New declassified footage of £10-a-shot laser...This newly released footage shows the Dragonfire laser directed energy weapon...
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Source: youtube.com
Link: https://www.youtube.com/watch?v=hDOSihhBTioSource snippet
DragonFire: Royal Navy warships to be fitted with laser...The mod announced it's accelerating its 100 million pound laser weapons progra...
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Source: optics.org
Title: mbda signs andpound316m deal to supply uks royal navy with laser weapons
Link: https://optics.org/news/mbda-signs-andpound316m-deal-to-supply-uks-royal-navy-with-laser-weaponsSource snippet
316M deal to supply UK's Royal Navy with laser weaponsNov 25, 2025 — The first UK-developed "DragonFire" laser weapon systems will start...
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Source: bairdmaritime.com
Title: uk spends 413m for laser system to boost navys counter drone tech
Link: https://www.bairdmaritime.com/security/weaponry/uk-spends-413m-for-laser-system-to-boost-navys-counter-drone-techSource snippet
UK spends $413m for laser system to boost navy's counter-...20 Nov 2025 — The laser system costs £10 per shot, making it much more cost...
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Source: reddit.com
Link: https://www.reddit.com/r/ukpolitics/comments/19ahhku/10ashot_laser_destroys_drones_in_major_defence/Source snippet
DragonFire system burns through targets from miles away during test in the Hebrides.Read more...
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