Not so fast, Ahmed. It is possible; nobody is invincible. But it is really, really unlikely - unless Iran wants to commit national suicide. First, define “defeat”. Do you mean defeat as in. read more
No, They cant, on the other hand Israel can't defeat Iran, they can launch missiles, a few bomb strikes against each other, that is all. read more
While in the Iraq/Iran war, the war deteriorated into a stalemate 'trench' war, one may conjecture the Israelis would have initially better penetration, but then Iran has mountainous regions, which can house any amount of insurgency, and Israel does not have the resources for a long occupation and attendant war of attrition. read more