Your argument is so flawed. It is silly for US to spend $3 B on Israel just to gets some weapons tested. It could spend a tenth of that to get the weapons tested in Argentina. Plus, it can be friends with Iran and get $3 B a year in oil benefits, weapon sales and for a peaceful coexistence in Middle East.
Aden hotel used by Yemen goverment hit by grenade (Reuters)
from the article: Let’s stop pretending