LONDON (Reuters) – More than 450 foreign-made components have been found in Russian weapons recovered in Ukraine, evidence that Moscow acquired critical technology from companies in the United States, Europe and Asia in the years before the invasion, according to a new report by Royal United Services Institute defence think tank.

Since the start of the war five months ago, the Ukrainian military has captured or recovered from the battlefield intact or partially damaged Russian weapons. When disassembled, 27 of these weapons and military systems, ranging from cruise missiles to air defence systems, were found to rely predominantly on Western components, according to the research shared with Reuters.

It is the most detailed published assessment to date of the part played by Western components in Russia’s war against Ukraine.

About two-thirds of the components were manufactured by U.S.-based companies, RUSI found, based on the weapons recovered from Ukraine. Products manufactured by the U.S.-based Analog Devices and Texas Instruments accounted for nearly a quarter of all the Western components in the weapons.

Other components came from companies in countries including Japan, South Korea, Britain, Germany, Switzerland, and the Netherlands.

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