US finances costliest weapons (fighter jets, precision munitions, air and missile defense systems such as Iron Dome, David’s Sling, Arrow, and Iron Beam) which provides the qualitative edge of Israel’s military, while Israel’s own budget covers personnel, operations, and much of the day‑to‑day war cost.

Without US tax dollars, Israeli part of military budget would have to shrink by 50 - 60% to pay for R&D, manufacturing, testing, deploying and maintaining of US provided advanced weapon systems.

To anyone downvoting my sibling comment, go look at the post history [1] this guy indulges in loads of crazy conspiracies and ties them all back to Mossad. It’s pretty clear what the underlying motivation is.

[1] https://news.ycombinator.com/user?id=FilosofumRex

The guy is an antisemite and a loon who’s obsessed with Mossad.