This report is republished with permission of STRATFOR

Editor’s Note: Though this article was originally published in October 2009, the ongoing debate over Iran’s capabilities and intentions gives lasting relevance to the analysis within. Media reports continue to focus on efforts to disrupt Tehran’s efforts to construct nuclear weapons, but the international community has a much greater strategic interest in ensuring the flow of oil through the Iranian-controlled Strait of Hormuz.

It has often been said that Iran’s “real nuclear option” is its ability to close — or at least try to close — the Strait of Hormuz, which facilitates the movement of 90 percent of the Persian Gulf’s oil exports (40 percent of the global seaborne oil trade) as well as all of the gulf’s liquefied natural gas exports. At a time when the world is crawling back from the worst economic crisis since the Great Depression, this is a serious threat and warrants close examination.

Iran actually has a broad range of military options for lashing out at energy exports in the strait, and this is not a new development. Almost since the founding days of the Islamic republic, Iran has been exercising military force in the Persian Gulf, starting with attacks against Iraqi tankers (and Kuwaiti tankers carrying Iraqi oil) during the Iran-Iraq War in the 1980s. But in all this time, Iran has never exercised the full measure of its capability to close the Strait of Hormuz to maritime commerce — if indeed it has that capability. Although Iran has an array of options for limited strikes, our interests here are the dynamics of an all-out effort. Read the rest of this entry »