—Terrence Dorner, B1Daily

Western sanctions were supposed to choke Russia’s access to the sophisticated electronics required to manufacture modern precision weapons. More than four years after Russia’s full-scale invasion of Ukraine, however, Ukrainian investigators say something deeply uncomfortable is still appearing inside Russian ballistic missiles:

American technology.

According to new reporting from Defense News, Ukrainian officials examining recovered Russian missiles continue to find dozens of foreign-made electronic components. And among the countries represented, the United States reportedly stands above the rest.

The discovery doesn’t mean American semiconductor companies are knowingly selling missile components directly to Vladimir Putin’s military. There is no evidence establishing that. Instead, it exposes an enormous hole in the Western sanctions architecture: commercially available technology can travel through distributors and third countries before eventually reaching Russian weapons manufacturers.

That loophole is becoming increasingly difficult to ignore.

63 American Components in One Russian Missile System

Ukraine’s military intelligence recently disclosed information on 140 components associated with Russia’s upgraded Iskander ballistic missile system.

Only about one-quarter were reportedly Russian-made.

Of those identified, Ukrainian intelligence attributed 63 components to American manufacturers, compared with eight each from Switzerland and Belarus, four each from Germany and Taiwan, and three from China.

That is a remarkable finding considering the enormous sanctions campaign designed to isolate Russia’s defense industry.

The dependence becomes even more striking when examining the missile’s brain.

According to Ukrainian intelligence, one flight-data processing unit associated with the missile’s laser gyroscope contained 43 identified components. Only five were Russian-made. Critical foreign electronics included microprocessors, memory chips, programmable logic devices and digital-to-analog converters.

In other words, Russia may manufacture the missile, fuel it, arm it and launch it.

But some of the tiny electronic organs allowing that weapon to function reportedly continue to originate from the very countries sanctioning Moscow.

Russia Found the Back Door

The problem isn’t necessarily sanctions on paper.

It’s what happens after a component leaves its manufacturer.

Many semiconductor products have legitimate civilian applications. A chip manufactured for industrial machinery, telecommunications equipment or consumer electronics can move through international distributors and intermediaries before disappearing into a complicated global supply chain.

Russia has become remarkably adept at exploiting those pathways.

Defense News reports that sensitive electronics continue reaching Russian missile manufacturers through third-country intermediaries, creating networks that Western governments struggle to dismantle permanently. When one intermediary is sanctioned, another can potentially take its place.

This is sanctions whack-a-mole, except the consequence of losing is a functioning ballistic missile.

Ukraine says foreign components recovered from Russian ballistic weapons have been traced to the United States, Japan, Germany, Taiwan, France, Britain and Switzerland.

The problem therefore extends well beyond Washington.

But America’s apparent dominance among the recovered components makes U.S. export enforcement especially important.

American Companies Shouldn’t Automatically Be Blamed

There is an important distinction that cannot be buried beneath an explosive headline.

Finding an American company’s chip inside a Russian missile does not prove that company knowingly supplied Russia’s military.

Electronics can be resold multiple times. Components can move through distributors in different countries. Some technologies have both civilian and military applications, making end-user enforcement exceptionally difficult.

Companies whose products Ukrainian investigators have associated with Russian weapons include major Western semiconductor manufacturers. But establishing where a component was manufactured is fundamentally different from proving that its manufacturer knowingly violated sanctions.

The more important question is whether Western governments can construct export controls capable of following sensitive technology beyond the first sale.

Right now, Russia appears to be demonstrating that the answer isn’t good enough.

Sanctions Mean Nothing If Russia Can Shop Around Them

Ukraine is now calling for tighter restrictions against Russian ballistic-missile manufacturers, their suppliers and approximately 110 materials used in missile production. Kyiv also wants Western governments to attack the intermediary networks that allow controlled technology to reach Russia indirectly.

The urgency is obvious.

Russia is reportedly producing more than 100 ballistic and high-speed missiles per month, while Ukraine and its allies face shortages of the expensive interceptors required to destroy them.

That creates an ugly equation.

The West spends enormous amounts supplying Ukraine with air-defense systems to shoot down Russian missiles.

Meanwhile, Western-made electronics reportedly continue finding their way into some of the missiles those defenses must intercept.

That is a supply-chain snake eating its own tail.

Sanctions cannot merely make Russian weapons slightly more expensive or force Moscow to add another intermediary to the purchasing process. If critical Western electronics continue appearing inside newly manufactured Russian missiles years into the war, then governments need to acknowledge that the enforcement system remains dangerously porous.

Russia has demonstrated that it can adapt.

The West now has to demonstrate that its sanctions can adapt faster.

Because every foreign component recovered from the wreckage of another Russian ballistic missile represents more than a semiconductor.

It represents a hole in the sanctions wall, and Moscow appears determined to drive missiles straight through it.

—Terrence Dorner, B1Daily