Unfortunately too many Israelis think of Israel as a world power that can take on the rest of the world. This isn't true - it would probably not be true with real world powers like Russia, China or the US. Israelis are going to have to get used to the idea that it is a large power in the Eastern Med, but no more than that.
U.S. defense chief tells Congress: Military options remain against Iran (DPA)
from the article: Can Israel live with the Iranian bomb?