A U.S. defense official confirmed Wednesday that all four of the promised High Mobility Artillery Rocket Systems, or HIMARS, were in the hands of Ukrainian forces but said it was not clear if they have been used yet.
Ukrainian army to leave battered Sievierodonetsk to avoid encirclement
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The HIMARS shipments in particular, Ukrainian military leaders said, come at a crucial moment and could give their troops the ability to hold off a much larger Russian army bent on capturing more territory in the bitterly contested Donbas region.
Ukraine gets EU invite, in rebuke to Putin
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