Some conservative members of Donald Trump's "Make America Great Again" movement have reacted angrily to the president's plans to sell weapons to Nato, arguing it is a betrayal of his promise to end US involvement in foreign wars.

Republicans who previously have sounded off about U.S. aid to Ukraine sounded cautiously optimistic about the new plan to offer U.S. weapons to the war effort through a purchase by other NATO countries.

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

President Trump met with NATO's Secretary General in the Oval Office. Trump announced a new deal to sell weapons to NATO for distribution inside Ukraine and said he is "not happy" with Russia.

In an announcement from Washington, U.S. President Donald Trump revealed that America will send top-tier weapons to Ukraine. The military aid will be delivered through NATO countries and includes items like advanced missiles and ammunition.

President Donald Trump and NATO Secretary General Mark Rutte announced what Rutte called a "really big" deal Monday for the US to send Ukraine weapons through NATO, replenishing the besieged country’s supplies of weapons.

Gen. Christopher Donahue, head of U.S. Army Europe and Africa, delivered a challenge to arms manufacturers, telling a gathering of defense industry insiders that he wants a universal rocket launcher so allies can fight as one.

NATO Secretary General Mark Rutte told President Trump at the White House on Monday that Europe is "stepping up" when it comes to paying for the war in Ukraine NATO SECRETARY GENERAL MARK RUTTE: Mr. President,