South Korea's laser air-defense program had another public outing this week. During a Republic of Korea Army (RoKA) exercise on Oct. 14, Hanwha Systems demonstrated two directed-energy weapons against small drones: the fixed Block-I Cheongwang laser anti-aircraft weapon and a 30 kW-class high-energy laser cannon mounted on a combat vehicle. According to the company, the two systems intercepted all three target drones in front of an audience of about 500 people.

The event was the Army TIGER+ Future Warfare Integrated Combat Training, hosted by ROK Army Headquarters. The Herald Business reports that the audience included Army Chief of Staff Gen. Kim Gyu-ha. Hanwha's figure for the cost of each engagement is roughly KRW2,000, or about US$1.50, and that is the number most likely to stick with procurement officials watching drone threats multiply.

The "100 percent" hit rate and the per-shot cost both come from Hanwha. No independent test data has been released, and the company has not said what kind of drones were used, at what ranges, or under what conditions.

What was demonstrated

Two systems took part, and they are at different stages of maturity.

Cheongwang (Laser Air Defense Weapon Block-I). The name translates roughly as "light of the sky." The fixed-site system was developed by the Agency for Defense Development (ADD), with Hanwha Systems as the prototype manufacturer, according to the Herald and MoneyToday. Janes describes it as developed in collaboration with the Defense Acquisition Program Administration's (DAPA's) ADD and reports it has been in RoKA service since December 2024. The Herald, MoneyToday and EDR Magazine all describe it as the world's first operationally deployed laser weapon. That is the company-aligned description as reported, and we have not verified it independently. The system runs on electricity and does not use expendable interceptors. The Herald and MoneyToday both report that it can operate continuously for 24 hours on electrical power alone.

30 kW-class vehicle-mounted laser cannon. This is a mobile weapon mounted on a combat vehicle. The Herald reports that it was developed by Hanwha Systems under the program management of the Korea Research Institute for Defense Technology (KRIT). Key components were miniaturized to fit the vehicle, and the Herald also mentions phase-change-based cooling technology. Cooling and size are the main problems in putting a laser on a vehicle, because a high-energy laser produces a lot of waste heat that has to go somewhere. Hanwha has not released a beam range, a dwell time against the targets, or details on how the vehicle supplies power.

Hanwha has not said which system engaged which drone. The company describes the result only as both systems together neutralizing all three targets.

The roughly $1.50 figure

Every outlet that covered the demonstration repeated Hanwha's per-engagement figure of about $1.50; Janes, the Herald and MoneyToday also give it as about 2,000 won. The number is plausible for a weapon whose consumable is electricity rather than a missile or shell. It most likely covers only the marginal cost of a shot. It does not include buying, operating and maintaining the system, and Hanwha has not published those costs.

Even so, the comparison it invites is fair. Small drones cost little to build and can be launched in numbers. Using guided interceptors against them is expensive and depletes magazines quickly. EDR describes lasers as a response to swarm threats that go beyond what missile-based air defense was designed to handle. A weapon that can fire again as long as it has power changes that cost balance, at least on paper.

The open question: which oscillator?

Janes adds an important caveat. In June, DAPA announced the domestic development of an oscillator, the component that generates the laser, intended for installation in the latest batch of mass-produced Cheongwang systems. Cheongwang was initially equipped with imported oscillators. According to DAPA, the domestic oscillator increases laser output by more than 50 percent compared with the imported one. It also cuts engagement times against drones from 2-4 seconds to 1-2 seconds, and against more complex UAVs from more than 10 seconds to within a few seconds.

Janes says it is unclear whether the unit shown at TIGER+ had the domestic oscillator. The difference matters. Dwell time, meaning how long the beam has to stay on a target to disable it, sets how many drones one laser can handle in a given time. That limits how well a single emitter can defend against a swarm. If the demonstration unit was an older production unit, the result says little about the upgraded version. If it was a new one, Hanwha has not said so.

Not the first public demonstration

The TIGER+ event follows earlier showings. The Herald and MoneyToday report that Cheongwang also achieved 100 percent interception against four drones and two unmanned aerial vehicles at the 2026 Defense Drone Technology Exhibition in September. As with this week's result, that figure comes from the company and the press, not from published test reports.

The sources give slightly different dates for this week's announcement. The Herald says Hanwha announced the result on Thursday, Oct. 15, for an exercise held the day before. Janes and MoneyToday also place the announcement on Oct. 15, and Janes places the exercise on Oct. 14. EDR's report says Hanwha announced on the 14th. The Herald and Janes agree that the exercise itself took place on Oct. 14.

Why It Matters

Few countries can say they have a laser air-defense weapon in regular military service. South Korea says it is one of them, and this demonstration shows it pairing the fixed Cheongwang site with a mobile 30 kW-class laser cannon. A laser at a fixed site can protect a fixed installation. A laser on a vehicle can move with maneuver units, which is where small drones have become a constant threat to troops in the field.

The cost figure is the strategic argument. If each engagement really costs about $1.50, a defender is no longer forced to spend expensive interceptors on cheap drones. That only holds if the weapon defeats targets fast enough to keep up with a salvo, which is why DAPA's engagement-time figures for the domestic oscillator may matter more than the three-for-three result. A demonstration against three drones in front of senior leaders is a controlled event. The real tests are performance against many targets at once, in bad weather, and over a full shift.

Until Hanwha or DAPA publishes the targets, ranges and dwell times from the TIGER+ engagements, and confirms which oscillator the demonstration unit carried, the result is best read as a credible signal of progress rather than proof of operational performance.

Sources