The carrier, along with the Makin Island Amphibious Ready Group, reaches the region as tensions are rising with Iran. Deployed San Diego-based ships in the aircraft carrier USS Carl Vinson and Makin Island groups are now in the Middle East, the U.S. Fifth Fleet and Central Command has announced. The sailors, Marines and airmen aboard the ships arrive after Iranian officials recent threat to close the Strait of Hormuz, a vital shipping lane for the world's oil supply, and warned a departing U.S. aircraft carrier, the USS John C. Stennis, not to return to the Persian Gulf.