Iran has threatened to drag the United States into the conflict by attacking their bases in the region should Washington intervene on Israel's behalf.

The USS Nimitz and its carrier strike group are steaming west from the Pacific as part of an overall buildup of US military firepower

The Nimitz aircraft carrier group was rerouted from the Indo-Pacific to the Middle East, joining the USS Carl Vinson. The move comes amid airstrikes between Israel and Iran.

Iran has threatened to drag the United States into the conflict by attacking their bases in the region should Washington intervene on Israel's behalf.

The might of the world's foremost military superpower was bearing down on Iran last night - an armada of American ships and aircraft that could reduce the country to rubble.

Trump warned Iran that his patience is 'wearing thin' as U.S. officials weigh deeper military involvement, including the use of a 30,000-pound bomb that only American B-2 bombers…