And with a major portion of US military aid grants coming with the condition that the purchased equipment come from US contractors you can argue which funding bucket it came from, but in all practicality Israel bought US systems with aid money granted from the US and then where willing to give the old systems they intended to decommission to someone the US is aiming to support.
It really is just US aid to Ukraine with an Israeli sticker on it in that sense.
USA only started selling weapons to Israel in the 1960's, and initially only defensive weapons.
Before that, the USA had an arms embargo on Israel. Israel got its weapons from Czechoslovakia (under Soviet rule) and later, France.
USA only started selling weapons to Israel in the 1960’s, and initially only defensive weapons.
Leaving aside the fact that the 1960s are 60 years ago, the patriot system is there to shoot down missiles, drones and maybe approaching fighter jets. It is a "defensive weapon".
