The US is getting a big bang for its buck in Ukraine already. Russia are getting battered.
Russian hypersonic missiles that most thought could not be downed, are in fact, now being downed:
https://www.newsweek.com/us-patriot-system-behind-downing-russian-hypersonic-missile-ukraine-1798834
Thanks to the new American Patriot system.
A clear success already with American money sent to Ukraine audited as clear too.