NATO and Russia have found themselves opposed for decades in one of the most consequential standoffs in military history.

President Trump on Monday said NATO countries would buy weapons from the U.S. to send to Ukraine for its war against Russia.

U.S. military and NATO officials are discussing a possible plan that could be unveiled in the coming days to provide Ukraine with much-needed aerial defense weapons.

Sitting side-by-side with NATO Secretary General Mark Rutte in the Oval Office, Trump told reporters that he is disappointed in Russian President Vladimir Putin.

President Donald Trump will meet with NATO Secretary General Mark Rutte at the White House on Monday. Trump is expected to speak with him about the United States’ pending aid to Ukraine.

"It has come at a cost of TRILLIONS OF DOLLARS, and it is just not sustainable any longer - And never was!" Trump raged.

Donald Trump was expected to lay out a fresh strategy for arming Ukraine as he met the head of NATO on Monday, after the US ...

Rubio says those weapons could be transferred to Ukraine, with European countries buying replacements from the U.S.

The United States will supply weapons to Ukraine with NATO footing the bill, President Donald Trump announced on the heels of ...

President Donald Trump told NBC he struck a deal with NATO on Thursday for the US to send weapons to Ukraine through the ...

As the U.S. Navy grapples with shipbuilding delays and a stretched carrier fleet, key European NATO allies are stepping up to project power in the Indo-Pacific. -The aircraft carriers of the United ...