US taxpayers would spend more money if military aid to Israel and other countries ceased. You should do more research on how this works. You only see one perspective of military spending, but the savings in lives and dollars is much more than is being spent. Sorry to burst your bubble, but Israel saves us a lot of money overall.
U.S. says working on initiative to de-escalate Syria fighting, with focus on Aleppo (Reuters)
from the article: Netanyahu: WikiLeaks cables prove Israel is right on Iran