Yes. Israel is the threat. Iran is just playing "catch-up" and that is fair, in my book. Why should Israel, ALONE, have a nuclear arsenal and capabilities in the ME? Israel has aggressed three times and more against its neighbours and is currently holding the Palestinians hostage. Is this the action of a "good" nation?
U.S., allies conduct 22 strikes against ISIS targets in Iraq, Syria (Reuters)
from the article: Iran military head warns of 'heavy damage' should Israel attack