New intelligence data, collected from downed Iranian drones in Ukraine, is evidence of that a majority of the aircrafts’ parts are manufactured by companies in the U.S., Europe and other allied nations, stoking concern among Western officials and analysts and prompting a U.S. government to investigate, The Wall Street Journal reports.

According to online edition, the specialists of Ukraine’s military intelligence estimate that three-quarters of the components of the Iranian drones are American-made. The findings were made after the Ukrainian servicemen downed several drones, including an iranian-made Mohajer-6, that landed intact.

As it was reported earlier, the employees of Ukraine’s military intelligence have found out the origins of the components of a drone, which the russians had purchased in Iran in order to conduct hostilities in Ukraine. The DIU’s specialists have also found the elements that have an inscription in the official language of Iran – Farsi.

All evidences of the involvement of representatives of foreign countries in supplying weapons and its components to terrorist russia will be given to international organization to impose economic sanctions on them.