Ground‑based lasers must fight through dust, humidity, turbulence, wind, and atmospheric distortion, requiring extremely high wattage to maintain beam integrity.
By Hezy Laing
Israel’s next‑generation airborne laser systems, developed by Elbit Systems as part of the Iron Beam program, represent a fundamental shift in how nations will defend against drones, cruise missiles, and eventually ballistic missiles.
The breakthrough comes from the ability to mount high‑power fiber‑laser technology—using Coherent Beam Combining (CBC) and advanced phase modulators—onto aircraft such as F‑15I Ra’am fighters and UH‑60A/L Yanshuf helicopters.
This allows Israel to fire lasers from the air rather than from the ground, which eliminates many of the environmental limitations that have historically made laser weapons difficult to use.
Ground‑based lasers must fight through dust, humidity, turbulence, wind, and atmospheric distortion, requiring extremely high wattage to maintain beam integrity.
Airborne lasers, operating at 20,000–30,000 feet, bypass most of these obstacles. With thinner air, fewer particles, and reduced turbulence, the laser beam stays hotter, more stable, and more accurate over long distances.
This means airborne lasers can be smaller, lighter, cheaper, and more energy‑efficient while still delivering destructive power.
Elbit’s engineers have said that putting lasers in the air creates a new form of asymmetric advantage: instead of firing million‑dollar interceptors like Arrow or David’s Sling, aircraft can destroy drones or missiles at a near‑zero cost per shot.
Israel has already faced more than 1,500 ballistic missiles in recent conflicts, making cost‑effective interception a strategic necessity.
Airborne lasers also enable offensive and defensive engagement from above, allowing aircraft to shoot down threats at the same altitude or from superior angles.
This is especially important for defeating drone swarms, loitering munitions, and long‑range cruise missiles.
Elbit’s CEO Bezhalel Machlis says airborne lasers will allow Israel to “eliminate threats far away from our borders,” and that the company has already solved major challenges such as miniaturization, stabilization during aircraft vibration, and cooling of sensitive components.
Although not yet operational, the development timeline has accelerated dramatically.
What experts once predicted would take 5–10 years may now be achievable much sooner, marking what the article calls a potential revolution in air defense and future warfare.
