On 29 June 2008 , the commander of Iran 's Revolutionary Guard , Mohammad Ali Jafari , said that if Iran were attacked by Israel or the United States , it would seal off the Strait of Hormuz , to wreak havoc in oil markets .
On 29 June 2008 , the commander of Iran 's Revolutionary Guard , Ali Mohammed Jafari , said that if Iran were attacked by Israel or the United States , it would close off the Strait of Hormuz .