The CIA deposed the elected leader (people forget Iran was a secular democracy), and put in a puppet Shaw, which then the population revolted against.
So we are friendly with Israel, but only up to a point, if they get in the way, and are hit with some 'splatter', so be it.
Until it interferes with Oil.
Then, well, if they get hurt a little, then that's just to bad. Why do we sell weapons to Saudi Arabia?