The Israelis have already detected Ukraine weapons in the hands of Hamas.
From both captured by Russians and transferred, and sold off on the black market by Ukrainians.
https://www.newsweek.com/israel-worries-us-weapons-ukraine-are-ending-irans-hands-1806131
"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.
yeah... except that US weapons were in the hands of Hamas by way of Afghanistan.... Remember, Biden gave the Taliban $billions in US arms and equipment. Stuff began showing up among several Palestinian terror groups long ago.