The reason that Boeing buys from Israel is that Israeli products are well made and dependable. There are programs in the USA, like the 8(a) program for small/ minority businesses, that are giveaways, but Israeli companies don't qualify for this kind of federal program. Boeing is a commercial, highly competitive company. Harzion, I think your real name is Ahmed.
U.S. sanctions Russia's state-owned arms exporter Rosoboronexport (Reuters)
from the article: Strained ties with Turkey hurt Israeli defense contract with U.S. firm