The Trump administration's decision to halt the delivery of some weapons to Ukraine, citing a Pentagon review of its dwindling stockpiles, was a long-held concern for Kyiv that finally became a reality.

The move "was made to put America’s interests first," a White House spokeswoman said, as U.S. munitions have been depleted in recent years.

Hegseth paused a shipment of aid to Ukraine to conduct a review of munitions, citing concern of diminished stockpiles— a concern sources told NBC News are unfounded.