"Another source, who works in intelligence for a foreign country and also requested anonymity due to the sensitive nature of the subject, identified to Newsweek a specific event on August 20 in which a Russian Il-76 transport aircraft was said to have dropped off a cargo in Tehran worth an estimated $100 million, including Western weapons. The weapons were said to include U.S.-made Javelins and United Kingdom-made Next-Generation Light Anti-armor Weapons (NLAWs)."
Some of us read beyond the headlines.
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I guess you missed this part:
"The Israeli commander said pro-Russian formations were motivated to transfer captured U.S.-supplied weapons due to the close defense relationship between Moscow and Tehran, while pro-Ukrainian elements were largely motivated by money to smuggle arms. "