So what will end up happening with the US, Israel, and Iran. Iran's nuclear power facility will very shortly becoming online and once so, taking it out will be feasibly impossible do to the radiation damage that would spread afterwords. But if it is allowed to go online a nuclear armed Iran is a sure thing. The US/Israel can do anything from nothing, to launch limited strikes to their nuke program infrastructure or energy buildings to full out attacks on military, government, and nuke facilities. Depending on the scope of attacks we could severely prolong to stop their nuke program. Further more even if the US tries to stay out of this conundrum, depending on what Israel does, we might be drawn into it anyways which will have far reaching affects on US global operations from the middle east to Afghanistan, to perhaps even the home front. FOXNews.com - Worst-Case Scenarios: Possible Strike Plans for Iran Involve Risky Options Which is worse? A nuclear armed Iran or another large scale conventional conflict in the region. Remember, any strike that Israel plans on will have to involve them launching fighters through the airspace of their not so friendly neighboring countries.