Advanced Weapons

Directed Energy Weapons: Lasers and Microwaves in Space

Directed energy weapons use lasers and high-power microwaves to dazzle or disable satellites without creating debris. How they work and who has built them.

Directed energy weapons attack a target with focused electromagnetic energy, either a high-energy laser or a burst of high-power microwaves, instead of a bullet or a missile. Against satellites, the most common use is dazzling a sensor, flooding an imaging satellite’s camera with light so it cannot take a usable picture while the beam is on, rather than physically destroying the spacecraft.

The appeal to a military is that most directed-energy effects are reversible and leave no debris, unlike a missile that blows a satellite apart. Russia says it has fielded a mobile satellite-dazzling laser since 2019, and the United States has said it sees both a threat and a development opportunity in the same technology.

What Directed Energy Weapons Are

A directed energy weapon converts stored chemical or electrical energy into a beam and focuses it on a target. Two families are used against satellites, and they work differently. A high-energy laser (HEL) uses focused light, generated by anything from a chemical reaction to a solid-state electric laser, to heat or disrupt a target from a distance. A high-power microwave (HPM) weapon instead releases a short, powerful burst of radio-frequency energy. That burst can overwhelm or fry the electronics inside a target, whether or not the target’s own optics ever notice the beam arriving.

Both approaches differ from the electronic jamming and spoofing covered on the GPS jamming page. Jamming overwhelms a specific radio signal with noise. Directed energy instead delivers physical energy that can dazzle a sensor or damage circuitry outright, even though the two are often grouped together as reversible counterspace tools.

Where Directed Energy Fits Among Counterspace Weapons

Military planners generally sort counterspace weapons, meaning any method for denying an adversary’s use of satellites, into four categories. Kinetic attacks physically destroy a satellite. Electronic jamming and spoofing disrupt its signals. Cyberattacks target the ground systems and software that run it. Directed energy is the fourth. The space warfare page and the anti-satellite weapons page both cover the full set. Directed energy stands out because it can be aimed from the ground, from an aircraft, or in principle from another satellite, and because its effects usually stop the moment the beam does.

That reversibility is also why directed energy is attractive next to a kinetic anti-satellite weapon. A missile that destroys a satellite creates a debris field. That field can threaten other spacecraft, including the attacker’s own, for years or decades. A laser that dazzles a camera for one overhead pass creates no debris at all, which makes it a lower-escalation option for a similar short-term goal.

Dazzling Versus Destroying

Dazzling and destroying need very different amounts of power, and that gap explains most of what is publicly known about fielded systems. Dazzling floods an optical sensor with enough light to overwhelm the image it is trying to form, the way a camera flash washes out a photo. The effect typically ends once the beam moves on. Destroying a satellite’s structure, or permanently burning out its electronics, takes orders of magnitude more power from the ground. The beam spreads and loses strength across hundreds of kilometers of atmosphere and vacuum before it ever reaches orbit.

That gap is why every satellite-targeting laser system reported in open sources so far is described as a dazzler, not a destructive weapon. A ground-based laser powerful enough to physically damage a satellite’s structure, rather than just its sensor, remains a research goal. No country has fielded one.

Who Has Built What

Russia has said the most about its own program. It reports fielding a road-mobile laser system called Peresvet starting in 2019, described as able to dazzle optical reconnaissance satellites passing within roughly 1,500 kilometers overhead. Russian sources have also described a second, related ground-based laser complex called Kalina, intended to target the optical systems of imaging satellites passing over Russian territory. Neither Russian government statement has been independently verified against a confirmed dazzling event, and technical details beyond the manufacturer’s own claims are limited.

China is widely assessed by Western analysts to operate its own ground-based laser dazzlers, though with less public detail than Russia has released about Peresvet. China has also exported directed-energy technology commercially. Reporting has described Saudi Arabia purchasing a Chinese-made laser system in 2022.

The United States has been more public about counter-drone directed energy than about a satellite-specific system. The Air Force Research Laboratory has fielded a high-power microwave weapon called THOR, built to disable small drones with a single microwave pulse rather than a laser. Extending that kind of capability to counterspace roles is a stated area of Space Force interest, not a confirmed operational system. The Army’s Space and Missile Defense Command has described directed energy as offering new options for space operations, from ground-based systems up to weapons that could eventually operate from orbit itself.

Laser Weapons in Orbit Today

No country is assessed to operate a laser weapon in orbit today. The April 2026 Secure World Foundation report on global counterspace capabilities evaluated 13 nations and identified no evidence of deployed space-based laser weapons. On the United States, the report found no publicly available evidence of space-based laser counterspace capabilities and cited steep technical hurdles. It found no indication that Russia plans or develops high-power space-based laser weapons. The Center for Strategic and International Studies reported a related finding in its April 2025 Space Threat Assessment. That report documented no public indication that any nation tested or used directed energy counterspace weapons during the preceding year.

The physical demands of a space-based laser explain why deployed systems do not exist. To damage a target, an orbital platform requires either a chemical laser or a solid-state system. A chemical laser demands stores of chemical reactants to fire for more than a few seconds, and venting exhaust gases destabilizes the spacecraft. A solid-state laser avoids chemical exhaust but requires immense electrical power, demanding solar arrays so large that secret deployment is impossible. Historically, only one orbital laser test vehicle ever flew: the Soviet Skif-DM mock-up, launched on May 11, 1987, on the first Energia rocket. The vehicle, a test frame of about 80 metric tons built around a one-megawatt carbon-dioxide laser, was flipped by an attitude-control software fault, and its engine burn sent it into the Pacific Ocean. The U.S. Strategic Defense Initiative started its Zenith Star chemical laser in 1987, but the hardware never flew.

France remains the only nation with an acknowledged plan for laser weapons in space. In November 2025, President Emmanuel Macron announced that France will launch patrol satellites beginning in 2027 to monitor orbital threats, followed by action capabilities using lasers and jammers. That effort includes the FLAMHE project with ArianeGroup and the YODA demonstrators planned for geostationary orbit, though neither is operational. In China, published orbital laser research reflects component development rather than fielded weapons. A December 2021 Zhejiang University paper described a 1.5-kilogram pulsed laser that ran for 30 minutes before overheating, but its five-millijoule pulse energy cannot damage a spacecraft.

Whether newer U.S. programs include directed energy remains unconfirmed. On September 14, 2026, Secretary of the Air Force Troy Meink announced that the Space Force fields on-orbit space control weapons, the first Pentagon confirmation of active orbital weapons. Meink declined to say whether the systems are kinetic or non-kinetic, so a laser is neither confirmed nor ruled out. To date, the only U.S. counterspace weapon accepted for operational service in 2026 is the ground-based L3Harris Meadowlands communications jammer. At OrbitalIntel, we track public disclosures to separate verified hardware from strategic goals. Readers evaluating orbital capabilities can compare these constraints against anti-satellite weapons or space control weapons.

Why the Space Force Is Watching This Space

US officials describe directed energy as both a threat to guard against and a capability worth developing. That dual framing shows up across recent Space Force and defense-industry commentary. The Golden Dome missile defense architecture and the work of the Missile Defense Agency both name directed energy as a future layer worth pursuing, alongside more mature kinetic interceptors. A laser or microwave system does not run out of ammunition the way a missile battery does.

The same logic applies to satellite defense. A geosynchronous communications satellite worth hundreds of millions of dollars is a difficult target to protect with a missile-based interceptor. A directed-energy system that can dazzle or disable an attacking sensor or seeker in real time would be a lower-cost, reusable layer of protection, at least in concept. No country has publicly confirmed fielding that specific capability yet.

What Would Change the Assessment

A confirmed dazzling incident against a named satellite would move Peresvet, Kalina, or a Chinese system from claimed to demonstrated, and no such incident has been publicly confirmed as of this writing. A US announcement naming an operational satellite-targeting laser or microwave weapon would do the same on the American side.

Short of that, the clearest public signals to watch are Space Force budget requests and program announcements, which periodically name directed-energy research lines, and independent commercial satellite-tracking reports of unexplained sensor anomalies during passes over known laser sites. Neither kind of evidence currently supports calling any country’s satellite-targeting directed-energy weapon fully operational.

Those budget lines are read in context in our Space Force budget explainer.

Frequently asked questions

What are directed energy weapons?

Directed energy weapons attack a target with focused electromagnetic energy instead of a physical projectile. The two main types are high-energy lasers, which use focused light, and high-power microwave weapons, which release a burst of radio-frequency energy. Against satellites, the goal is usually to dazzle or damage a sensor rather than destroy the whole spacecraft.

What is counterspace, and how do directed energy weapons fit into it?

Counterspace is the set of methods used to deny, disrupt, or destroy an opponent's use of satellites. It covers four broad categories: kinetic attacks that physically destroy a satellite, electronic jamming and spoofing of signals, cyberattacks on the systems that run satellites, and directed energy. Directed energy sits alongside jamming as a reversible, deniable option that does not require striking the satellite itself.

Has Russia actually built a satellite-blinding laser?

Russia says it fielded a road-mobile laser system called Peresvet starting in 2019, which it describes as able to dazzle optical reconnaissance satellites passing overhead. Independent analysts have not verified a confirmed dazzling event against a specific satellite, and Russia has released few technical details, so the system's real-world performance remains unconfirmed outside Russian statements.

Can a laser destroy a satellite from the ground?

Not with any system known to be operational today. Dazzling a sensor, temporarily flooding it with light so it cannot take a usable image, takes far less power than physically damaging a satellite's structure from the ground, because the beam spreads and weakens across hundreds of kilometers of atmosphere and distance. Destructive ground-based laser weapons against satellites remain a research goal rather than a demonstrated capability.

Does the United States have directed energy weapons for space?

The United States has fielded high-power microwave weapons against drones and is developing directed energy for missile defense and counter-UAS roles, but it has not publicly confirmed an operational laser or microwave weapon built specifically to disable satellites. US officials have said the Space Force sees both a threat from other countries' systems and an opportunity to develop its own.

Why is directed energy attractive compared to a missile that destroys a satellite?

Directed energy avoids space debris, which is the biggest operational problem with a kinetic anti-satellite weapon. A laser or microwave attack against a satellite typically disables it temporarily without breaking it apart, so it creates no fragments that threaten other satellites for years afterward. That makes it a lower-escalation, more reversible option for the same broad goal.

Are there laser weapons in space today?

No nation is assessed to operate a laser weapon in space today. The April 2026 Secure World Foundation counterspace report found there is no evidence of deployed orbital laser weapons by the United States, Russia, China, or any other military. France has announced plans for space-based lasers, and ground-based anti-satellite lasers already exist. A damaging orbital laser would need either a large store of chemical reactants or a solar array too large to launch in secret, which is why none has been fielded.