That you do not know what you are talking about? Russia has openly stated they will buy from all over EVEN the USA as the quality of their own defence industries is so poor Recently Algeria sent back Mig 29's because the quality was unacceptable. Israel has one of the highest numbers of Biomedical patents in the world.Care to give your evidence that it all comes from the USA?
Lieberman: Knesset panel should review attack on IDF soldier in Nabi Saleh (Haaretz)
from the article: Israel signs $400 million deal to sell spy drones to Russia