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

European NATO allies have agreed to buy American weapons for Ukraine amid waning U.S. pledges, raising hopes—and questions—about whether this will be enough to sustain Kyiv’s defense.

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.