The US helped Saudi Arabia bomb the shit out of Yemen for a long time (search). I'm not properly educated about this myself but there are war crimes, starvation, a lot of shit. I mean you can't keep up. But to them, enforcing sanctions against Israel creates local support, otherwise they are a pretty bad Islamist regime. The Houthis are also not proxys of Iran. So US bombing them probably helps them too internally.

But there is so much shit going on that it's hard to keep up.