Malcolm Chalmers, deputy director-general of the Royal United Services Institute military think tank, told CBS News in March that about 20% of Ukraine's military hardware is supplied by the U.S., with 25% provided by Europe and the rest of the world, and 55% produced in Ukraine.

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.

The U.S. is halting some shipments of air defense missiles and other munitions to Ukraine amid concerns that its own stockpiles of such supplies have declined too much, officials said Tuesday

Photos of the leader were the first shared with North Koreans showing the country’s contributions to Russia’s war with Ukraine, with more deployments ahead.