“Our goal is to actually try to track that back, all the way back to the U.S. supplier,” a Commerce Department official told the Post on condition of anonymity.

The official clarified that, at this point, the FBI has not accused any business of wrongdoing.

“Just because a chip, a company’s chip, is found in a weapon system doesn’t mean we’ve opened up an investigation on that company. What we’ve done, though, is we’ve opened up an investigation on how that company’s chip got into that system,” said the official.

Many of the components identified were produced after 2014, when Russia annexed the Crimea and the U.S. tightened restrictions on electronics exports Russia, according to CAR. Some have 2020 production dates, while others had their identification marks deliberately obscured, Damien Spleeters, a CAR investigator, told the Post.