All the Putin knobbers in Congress are probably hissing about that.
On that note, the US tends to not keep aging munitions in stock. Many, but not all, of our shells will not keep forever and we would need to reprocess them anyway. We give Ukraine our old shells to use against Russia and we get more new ones for our stockpile. Win-win.
What I find funny is that Republicans are the ones whining about this. There ain’t nothing more 'murica than our massive military-industrial complex. Any excuse to send them a few billion should be giving right-wingers raging erections.