NATO allies are moving to accelerate the delivery of Patriot missile systems to Ukraine following U.S. President Donald Trump’s pledge to supply more of the air defense systems to Kyiv, alliance officials said Wednesday.

NATO's supreme allied commander is working to deliver Patriot air and missile defense systems to Ukraine along with other capabilities.

Zelenskyy has emphasized the importance of expanding production to counter Russia's invasion and strike deeper into Russian territory.

Ukrainian President Volodymyr Zelenskiy also held talks with a U.S. envoy on Monday on increasing weapons production and arms purchases.

More than three years into the war, drones are now the deadliest threat to both Ukrainian and Russian forces. Initially used to target large armored units, drones now focus on small, mobile squads. This leaves individual soldiers exposed and vulnerable.

Ukraine war this week, announcing a deal to send weapons to Ukraine via NATO and giving Vladimir Putin an ultimatum to make peace. Charles Kupchan, senior fellow at the Council on Foreign Relations, speaks with John Dickerson about the president's new stance.

President Donald Trump has long worked to bring peace to Ukraine, but his recent major policy adjustments in response to

A vocal supporter of Vladimir Putin has urged Russia to deploy tactical nuclear weapons in response to Donald Trump's announcement that he would provide Patriot missiles to Ukraine. On his radio program,