US-NATO deal: How will US arms reach Ukraine?

US President Donald Trump’s promise to end the war in Ukraine within 24 hours is now a distant memory. He now sees Russian President Vladimir Putin as the main obstacle to peace and is offering Patriot air defense systems and other weapons to Kyiv—paid for by European allies. Supporters at home may view it as a win, with billions flowing into the U.S. arms industry. But how will the deal work in practice?