A Ukrainian firm is testing a jammer light enough to ride on a heavy bomber drone and shield it from the enemy FPVs that hunt it. Aura-Ukraine has begun final tests of the system, called Aura 3K mini, the Dignitas Fund, a charity developing it with the manufacturer, Oboronka reports.

The bombers it is built to protect have become some of Ukraine's most valued drones. In the Donetsk operation last month, heavy bombers dropped kamikaze ground robots more than 10 kilometers behind Russian lines. The same weapon has been fitted with guided bombs that strike at long range with high precision.

At the same time, heavy bombers are large, making them prime targets for Russia. Keeping them in the air, and out of enemy hands, is the point of the new shield.

Two jammers cover 360 degrees

Aura 3K mini wraps the drone in a spherical, 360-degree cover using two broadband jammers, the fund says. Two emitters, not one, close the blind angles a single jammer would leave.

They work across the 2.1 to 2.8 GHz band, enough to disrupt FPV drones without cutting the bomber's own Starlink link. The whole device weighs about 2.4 kilograms.

"Radiation-pattern tests start on the front line in the coming days," the fund's press service says, and if they succeed, the system is set for serial production.

The fund moves to automate it

The next step is to make the jammer smarter, the fund says. It wants an auto-on function that fires only when a threat is detected, so the bomber does not give away its position with constant emission.

The team also plans to adapt Aura 3K mini to Vampire-type bombers, the heavy night drones that Russian troops nickname "Baba Yaga". That would widen the shield's reach across more of Ukraine's bomber fleet.

Russia hunts the Baba Yaga

The nickname points to a fairytale Slavic witch who flies by night. The real thing has been hard for Russia to counter: in 2024, a Ukrainian night bomber was often impossible to jam and, by one account, could be destroyed only with a flamethrower. By 2025, Russia was offering its soldiers 10 days' leave for capturing a Baba Yaga it could not build itself.

Ukraine's defense technology cluster Brave1 has launched the development of anti-drone rifle rounds, significantly increasing the chances of hitting fast-moving aerial targets, the group said in a statement on June 30.

According to Brave1, the ammunition appears similar to standard rounds used in automatic rifles but features a specially designed warhead that increases the likelihood of shooting down FPV (first-person-view) drones or commercial quadcopters such as the DJI Mavic before they strike.

These types of drones are being used extensively on the battlefield by both Ukrainian and Russian forces. The cost-effective FPV drones have proven highly effective in destroying expensive military equipment.

The manufacturer has already codified the new rounds according to NATO standards, Brave1 said. The goal is to supply every infantry soldier with a magazine of specialized ammunition for use in case of aerial threats.

"These rounds that significantly improve the chances of hitting a moving target are a new development by Brave1," Digital Transformation Minister Mykhailo Fedorov said.

"Our common goal is to ensure that every infantryman has a magazine of such ammunition and can equip his rifle with it in case of an air threat."

Ukraine continues to scale up its drone warfare capabilities. The Defense Ministry said on March 10 that it plans to purchase 4.5 million FPV drones in 2025 at a cost exceeding Hr 110 billion ($2.6 billion), with most of the funds allocated through the Defense Procurement Agency.

President Volodymyr Zelensky has set a goal of producing at least 30,000 long-range drones in 2025.

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The Kyiv IndependentYuliia Taradiuk