NATO has started coordinating regular deliveries of large weapons packages to Ukraine, most bought from the U.S.

After a recent deal for European NATO allies to purchase American weapons, including Patriot missiles, Ukraine is waiting anxiously to see if these arrangements can deliver the defensive firepower it so urgently needs.

The Netherlands said on Monday it will contribute 500 million euros ($578 million) to purchase U.S. military equipment for Ukraine, becoming the first NATO country to contribute to a new mechanism to supply Kyiv with American weapons.