What Happens After Israel Attacks Iran

This article is part of a Foreign Affairs package: The Iran Debate -- To Strike or Not to Strike? (lrargerich / flickr)

Since its birth in 1948, Israel has launched numerous preemptive military strikes against its foes. In 1981 and 2007, it destroyed the nuclear reactors of Iraq and Syria, operations that did not lead to war. But now, Israelis are discussing the possibility of another preemptive attack -- against Iran -- that might result in a wider conflict.

The public debate in Israel about whether Jerusalem should order a strike on Iran’s nuclear program is surprisingly frank. Politicians and policymakers often discuss the merits of an attack in public; over the past year, for example, Israeli Prime Minister Benjamin Netanyahu and Defense Minister Ehud Barak have sparred regularly and openly with former Mossad director Meir Dagan, the most prominent opponent of an Israeli operation. But much of the conversation is focused on whether Israel should strike, not on what might happen if it does -- in other words, the result on the “day after.”

Indeed, the analysis in Israel about the possible effects of a bombing campaign against Iran is limited to a small, professional elite, mostly in government and behind closed doors. This intimate circle that does consider scenarios of the “day after” concentrates almost exclusively on what an Iranian response, direct or through proxies, might look like. This is not surprising, given that Israel must worry first and foremost about the immediate military implications of an Iranian counterattack. But in doing so, Israeli policymakers are ignoring several of the potential longer-term aspects of a strike: the preparedness of Israel’s home front; the contours of an Israeli exit strategy; the impact on U.S.-Israel relations; the global diplomatic fallout; the stability of world energy markets; and the outcome within Iran itself. Should Israel fail to openly debate and account for these factors in advance of an attack, it may end up with a strategic debacle, even if it achieves its