Forced him to change his intentions South American aircraft carrier "John Stennis" — It is not clear. But Tehran has previously threatened to block the sea route through which passes a third of the world's oil exports. Such statements by the authorities of the Islamic Republic were made in response to EU sanctions. EU in November approved the embargo on European imports of Iranian black gold. Technical details of this prohibition will discuss at the end of January.
Iran began a 10-day large-scale naval exercises December 24, 2011. The teachings are on the ground in two thousand square kilometers of the Indian Ocean. Exercise area "Velayat-90" extends to the east of the Strait of Hormuz and the Gulf of Aden to.
Fleet Iran for the first time conducting exercises on such a broad area. Doctrine, by the views of the Iranian authorities, the defense must show the armed forces Iran and the ability of Iran to act in international waters.