RE: “They simply cant afford to waste money.”
Of course they can.
‘Specially since we give Israel 3.8 Billion dollar$ of military aid each year.
See 38 BILLION 10 year deal:
https://www.usatoday.com/story/news/world/2016/09/14/united-states-military-aid-israel/90358564/
Military Industrial Complex thanks you ;n)
That is probably the best "bang for the buck" we get as far as foreign aid/military aid goes.
Israel must use the best technologies available - there is no margin for error. And a great way to field-test our hardware in extreme climes.