- A new Ukrainian list of foreign parts in Russia's anti-jamming antenna is filled with US electronics.
- GUR published a catalog of US digital processors, chips, and other components found in the Kometa.
- These arrays are used to help Shaheds and Iskander-M missiles navigate and suppress jamming.
Over two dozen US processors, chips, and other components have been found in Russia's anti-jamming antenna systems, according to Ukraine's military intelligence.
The Ukrainian agency, GUR, published a list of foreign parts on Monday that it said were discovered in 16-element Kometa modules, one of Russia's more advanced systems that help drones and ballistic missiles suppress electronic warfare and navigate the skies.
US-headquartered firms produced 28 out of 37 foreign components — or just over three-quarters — listed on Monday, per GUR.
Ten American brands and their components were identified in the catalog, posted on GUR's War and Sanctions page. These include digital processors from Intel subsidiary Altera, radio-frequency and precision components from Analog Devices, a memory chip from Micron, and supporting electronics from Texas Instruments.
Another three components are built by Chinese companies, while the other six come from Japanese, Taiwanese, and Swiss manufacturers, GUR also indicated.
In a statement to Business Insider, a Texas Instruments spokesperson said the company "strongly opposes the use of our chips in Russian military equipment."
"Any shipments of TI chips into Russia are illicit and unauthorized. We devote significant time and resources to developing, implementing, and refining policies and procedures to combat illicit diversion and keep chips out of the hands of bad actors," they added.
Intel, Analog Devices, and Micron did not immediately respond to requests for comment sent outside regular business hours by Business Insider.
The new list from GUR, which regularly publishes information on foreign parts in Russian equipment, comes as the electronic warfare race grows more vital to Ukraine's air defense.
Kyiv's forces try to stop Russian drone and missile attacks with a mix of jamming tools and interceptors, but the latter are facing difficulty as Moscow has begun mass-launching faster, jet-powered drones — the slowest of which can fly at about 185 mph.
Kometa antenna panels are among the most common anti-jamming tools on Russian long-range weapons, such as Shahed drones, Iskander-M ballistic missiles, and glide bombs.
Each antenna receives satellite signals and helps to counter jamming or spoofing.
The 16-element Kometa, which essentially has an array of 16 antennas, is one of Russia's newer versions of the system in mass production. Two years ago, Moscow was regularly using eight-element Kometas on its Shaheds instead.
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