Presidential drawdowns have pushed US weapons stockpiles to dangerously low levels that have not been seen for decades. On several ground systems, DoD officials have indicated that ammunition stocks have dwindled to levels that would be considered problematic during wartime.

https://www.breitbart.com/politics/2022/09/30/analysts-u-s-weapons-stockpiles-dangerously-low-levels-as-dod-sends-weapons-ukraine/