The USA has severed a key intelligence line for Ukraine, stopping the transfer of data for targeting HIMARS. The decision took effect at 2:00 PM Kyiv time after the Trump administration froze military aid.
Archived version: https://archive.is/newest/https://unn.ua/en/news/the-usa-has-effectively-disconnected-himars-for-ukraine-halting-the-exchange-of-intelligence-data
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The best thing Ukraine may be able to do is destroy them so that Russia can’t use them against Ukrainian targets