Austin also told Zelensky that violating long-standing agreements with other buyers would be "a lot to ask," one of the officials told the newspaper.
The report also read that the US would provide Ukraine with over 500 interceptors for the Patriot and NASAMS systems, as part of the last aid package before US President-elect Donald Trump returns to the White House. The supplies will be delivered in coming weeks, the report added.
Media also reported that the Pentagon had a limited supply of air-launched munitions, which it could provide to arm the new Ukrainian F-16 fighter jets.