Tootfinder

US won't send some weapons pledged to Ukraine following a Pentagon review of military aid
A Pentagon review determined that stocks were too low on some weapons previously pledged to Ukraine,
so pending shipments of some items won’t be sent,
according to a U.S. official who spoke on condition of anonymity to provide information that has not yet been made public.

The Defense Department did not provide details on what specific weapons were being held back.

The…

US won't send some weapons pledged to Ukraine following a Pentagon review of military aid
The U.S. is halting some shipments of weapons to Ukraine amid concerns that its own stockpiles have declined too much