21 March 2025

Ukraine Has Been Jamming Russian Glide Bombs. Now We Know How.

David Axe

A year ago, Russian air force fighter-bombers were lobbing a hundred glide bombs every day all along the 800-mile front line of Russia’s wider war on Ukraine.

The satellite-guided KAB or UMPK glide bombs, each traveling 25 miles or farther under pop-out wings, were a “miracle weapon” for the Russians, the Ukrainian Deep State analysis group noted at the time. And the Ukrainians had “practically no countermeasures.”

That has changed. Now the Ukrainians not only have countermeasures—some of these countermeasures appear to be extremely effective.

“Previously, the enemy used glide bombs with high accuracy to attack objects in the territory of regional centers such as Kharkiv and Zaporizhzhia,” a manufacturer, whose 10-person Night Watch team in Ukraine develops electronic warfare systems, told Forbes.

Night Watch’s new Lima jammer is partly responsible for the recent degradation of Russian glide bombing, the manufacturer claimed.

Lima isn’t a traditional jammer that simply blasts radio noise toward the enemy. “We use digital interference,” the manufacturer explained. It’s “a combination of jamming, spoofing and information cyber attack on the navigation receiver.”

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