Time to Attack Iran: Why a Strike Is the Least Bad Option
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Yet another argument against military action against Iran is that it would embolden the hard-liners within Iran’s government, helping them rally the population around the regime and eliminate any remaining reformists. This critique ignores the fact that the hard-liners are already firmly in control. The ruling regime has become so extreme that it has sidelined even those leaders once considered to be right-wingers, such as former President Ali Akbar Hashemi Rafsanjani, for their perceived softness. And Rafsanjani or the former presidential candidate Mir Hossein Mousavi would likely continue the nuclear program if he assumed power. An attack might actually create more openings for dissidents in the long term (after temporarily uniting Iran behind Ayatollah Ali Khamenei), giving them grounds for criticizing a government that invited disaster. Even if a strike would strengthen Iran’s hard-liners, the United States must not prioritize the outcomes of Iran’s domestic political tussles over its vital national security interest in preventing Tehran from developing nuclear weapons.
Attacking Iran is hardly an attractive prospect. But the United States can anticipate and reduce many of the feared consequences of such an attack. If it does so successfully, it can remove the incentive for other nations in the region to start their own atomic programs and, more broadly, strengthen global nonproliferation by demonstrating that it will use military force to prevent the spread of nuclear weapons. It can also head off a possible Israeli operation against Iran, which, given Israel’s limited capability to mitigate a potential battle and inflict lasting damage, would likely result in far more devastating consequences and carry a far lower probability of success than a U.S. attack. Finally, a carefully managed U.S. attack would prove less risky than the prospect of containing a nuclear-armed Islamic Republic -- a costly, decades-long proposition that would likely still result in grave national security threats. Indeed, attempting to manage a nuclear-armed Iran is not only a terrible option but the worst. With the wars in Afghanistan and Iraq winding down and the United States facing economic hardship at home, Americans have little appetite for further strife. Yet Iran’s rapid nuclear development will ultimately force the United States to choose between a conventional conflict and a possible nuclear war. Faced with that decision, the United States should conduct a surgical strike on Iran’s nuclear facilities, absorb an inevitable round of retaliation, and then seek to quickly de-escalate the crisis. Addressing the threat now will spare the United States from confronting a far more dangerous situation in the future.
Years of international pressure have failed to halt Iran’s attempt to build a nuclear program. The Stuxnet computer worm, which attacked control systems in Iranian nuclear facilities, temporarily disrupted Tehran’s enrichment effort, but a report by the International Atomic Energy Agency this past May revealed that the targeted plants have fully recovered from the assault. And the latest IAEA findings on Iran, released in November, provided the most compelling evidence yet that the Islamic Republic has weathered sanctions and sabotage, allegedly testing nuclear triggering devices and redesigning its missiles to carry nuclear payloads. The Institute for Science and International Security, a nonprofit research institution, estimates that Iran could now produce its first nuclear weapon within six months of deciding to do so. Tehran’s plans to move sensitive nuclear operations into more secure facilities over the course of the coming year could reduce the window for effective military action even further. If Iran expels IAEA inspectors, begins enriching its stockpiles of uranium to weapons-grade levels of 90 percent, or installs advanced centrifuges at its uranium-enrichment facility in Qom, the United States must strike immediately or forfeit its last opportunity to prevent Iran from joining the nuclear club.
These security threats would require Washington to contain Tehran. Yet deterrence would come at a heavy price. To keep the Iranian threat at bay, the United States would need to deploy naval and ground units and potentially nuclear weapons across the Middle East, keeping a large force in the area for decades to come. Alongside those troops, the United States would have to permanently deploy significant intelligence assets to monitor any attempts by Iran to transfer its nuclear technology. And it would also need to devote perhaps billions of dollars to improving its allies’ capability to defend themselves. This might include helping Israel construct submarine-launched ballistic missiles and hardened ballistic missile silos to ensure that it can maintain a secure second-strike capability. Most of all, to make containment credible, the United States would need to extend its nuclear umbrella to its partners in the region, pledging to defend them with military force should Iran launch an attack.
A nuclear Iran would impose a huge burden on the United States. But that does not necessarily mean that Washington should resort to military means. In deciding whether it should, the first question to answer is if an attack on Iran’s nuclear program could even work. Doubters point out that the United States might not know the location of Iran’s key facilities. Given Tehran’s previous attempts to hide the construction of such stations, most notably the uranium-enrichment facilities in Natanz and Qom, it is possible that the regime already possesses nuclear assets that a bombing campaign might miss, which would leave Iran’s program damaged but alive. This scenario is possible, but not likely; indeed, such fears are probably overblown. U.S. intelligence agencies, the IAEA, and opposition groups within Iran have provided timely warning of Tehran’s nuclear activities in the past -- exposing, for example, Iran’s secret construction at Natanz and Qom before those facilities ever became operational. Thus, although Tehran might again attempt to build clandestine facilities, Washington has a very good chance of catching it before they go online. And given the amount of time it takes to construct and activate a nuclear facility, the scarcity of Iran’s resources, and its failure to hide the facilities in Natanz and Qom successfully, it is unlikely that Tehran has any significant operational nuclear facilities still unknown to Western intelligence agencies.
Even if the United States managed to identify all of Iran’s nuclear plants, however, actually destroying them could prove enormously difficult. Critics of a U.S. assault argue that Iran’s nuclear facilities are dispersed across the country, buried deep underground and hardened against attack, and ringed with air defenses, making a raid complex and dangerous. In addition, they claim that Iran has purposefully placed its nuclear facilities near civilian populations, which would almost certainly come under fire in a U.S. raid, potentially leading to hundreds, if not thousands, of deaths. These obstacles, however, would not prevent the United States from disabling or demolishing Iran’s known nuclear facilities. A preventive operation would need to target the uranium-conversion plant at Isfahan, the heavy-water reactor at Arak, and various centrifuge-manufacturing sites near Natanz and Tehran, all of which are located aboveground and are highly vulnerable to air strikes. It would also have to hit the Natanz facility, which, although it is buried under reinforced concrete and ringed by air defenses, would not survive an attack from the U.S. military’s new bunker-busting bomb, the 30,000-pound Massive Ordnance Penetrator, capable of penetrating up to 200 feet of reinforced concrete. The plant in Qom is built into the side of a mountain and thus represents a more challenging target. But the facility is not yet operational and still contains little nuclear equipment, so if the United States acted quickly, it would not need to destroy it.
Finally, the U.S. government could blunt the economic consequences of a strike. For example, it could offset any disruption of oil supplies by opening its Strategic Petroleum Reserve and quietly encouraging some Gulf states to increase their production in the run-up to the attack. Given that many oil-producing nations in the region, especially Saudi Arabia, have urged the United States to attack Iran, they would likely cooperate.
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