Israel and the US are tied technologically. The original plans for the commercial cell phone, intended to be a military device, was developed in Israel jointly with the US. A good deal of medical drug research is done there. They are also a stabilizing force in the midfle east as they, with Mossad are better at infiltration and investigation. That information, along with what us technology can glean is shared.
More tha 100 ' attacks' against the U S, planned in the middle east and europe have bern stopped through that sharing of information, not to mention, more tha 70% of Israels population are 1st and 2nd genrration descendants of us citizens.