The electromagnetic spectrum now determines who sees first, who communicates reliably, who controls drones and missiles, and who blinds or deceives the other side.
By Hezy Laing
Spectrum dominance has become one of the most decisive fronts in modern warfare, and for the IDF it is transforming every aspect of combat.
Spectrum dominance means controlling the invisible waves that carry signals for communication, GPS, drones, radars, and missiles. As warfare shifted toward remote‑controlled systems, the electromagnetic spectrum became the new high ground.
Armies now fight to protect their own signals while disrupting the enemy’s. It became crucial once drones, smart weapons, and networked sensors replaced older, manual systems.
The electromagnetic spectrum now determines who sees first, who communicates reliably, who controls drones and missiles, and who blinds or deceives the other side.
Whoever controls the spectrum sees more, reacts faster, and blinds the other side — making it one of today’s most important battlefields.
The Iran war has accelerated this shift dramatically, forcing the IDF to operate in an environment saturated with jamming, spoofing, cyber‑electronic attacks, and long‑range precision systems that depend entirely on electromagnetic superiority.
For the IDF, the advantages of spectrum dominance are clear.
Units such as Unit 81, 8200, the Air Force Electronic Warfare Directorate, and the have spent years developing tools that allow Israeli aircraft, drones, and ground forces to operate even when GPS is degraded or communications are disrupted.
Israeli systems like Elbit’s ELL‑8222 electronic warfare pod, IAI’s Scorpius family, and Rafael’s airborne jamming suites have been used extensively to protect aircraft from Iranian radar networks and to suppress hostile tracking systems.
These capabilities have enabled the Air Force to strike targets deep inside Iran and Syria while reducing exposure to surface‑to‑air missile batteries.
On the ground, spectrum‑aware systems allow armored units and infantry to coordinate in dense electronic environments, while counter‑UAS tools disrupt Iranian and proxy drones before they reach Israeli airspace.
But the same battlefield that empowers the IDF also exposes its vulnerabilities. Iran, Hezbollah, and the Houthis have invested heavily in electronic warfare, GPS spoofing, and communications jamming.
During the conflict, Israeli aircraft have encountered degraded navigation signals, and UAVs have been forced to switch to backup modes when Iranian jammers targeted satellite links.
Ground forces operating near Lebanon and Gaza have reported interference affecting encrypted radios, forcing reliance on alternative communication channels.
The proliferation of Iranian EW systems such as the Nazir, Fath‑2, and various mobile jammers has complicated Israeli targeting and reduced the effectiveness of some precision‑guided munitions.
Spectrum congestion is another growing challenge.
With thousands of Israeli, American, and allied platforms operating simultaneously—F‑35s, F‑15Is, Hermes and Heron UAVs, Iron Dome batteries, David’s Sling radars, and civilian infrastructure—the electromagnetic environment has become crowded.
Managing deconfliction requires constant coordination, and even minor misalignment can cause interference between friendly systems.
The IDF has had to expand real‑time spectrum‑management centers to prevent overlap between air‑defense radars, drone control links, and intelligence‑collection platforms.
The invisible battlefield is now as critical as the physical one.
For the IDF, spectrum dominance provides unmatched operational reach, but it also demands constant adaptation, investment, and protection against adversaries who increasingly understand that the electromagnetic spectrum is the ultimate weapon.
