Aid to Ukraine sits ~2.5% of the military spending. Most of that goes to domestic manufacture of replacement gear the US will keep if I understand properly.
I am not sure there's much to worry about there. Especially as the US military budget fails audit.
That is more concerning to me.
https://www.stripes.com/theaters/us/2023-11-15/pentagon-failed-audit-shutdown-funding-12064619.html