From the Washington Post’s, “Inside the monumental, stop-start effort to arm Ukraine”
It says (link to full article here (https://www.washingtonpost.com/national-security/2022/12/23/ukraine-weapons-biden/)):
“...the initial war supply operation clearly wasn’t built for the long haul.
As the grueling conflict continues with no end in sight, it has exposed flaws in U.S. strategic planning for its own future battles, and revealed significant gaps in the American and NATO defense industrial base.
Stocks of many key weapons and munitions are near exhaustion, and wait times for new production of missiles stretch for months and, in some cases, years.”