US military aid packages for Ukraine have become smaller in recent months as the stockpile of weapons and equipment that the Pentagon is willing to send to Kyiv from its own reserves has decreased, reports CNN. The deficit has left Joe Biden’s administration with $6 billion in arms and ammunition for Ukraine, but the Pentagon does not have the inventory it is ready to deliver. “It’s about the stockpiles we have on our shelves, what [the Ukrainians] are asking for, and whether we can meet those requests with what we currently have” without impacting readiness, one of the officials said. Accordi…