The first Marine Expeditionary Unit, which is coming from the Pacific, is still making its way toward the region.

As the Iran war continues, the Pentagon has tapped the 31st Marine Expeditionary Unit, aboard the amphibious assault ship USS Tripoli, to travel to the region from Japan. A Marine Expeditionary Unit is a self-sustained,

The US is sending about 2,200 Marines to the Middle East. Scroll down to read what is MEU

The 31st Marine Expeditionary Unit’s unique capabilities could play a crucial role in the conflict with Iran. But will it mark the start of a larger operation? Military experts weigh in.

President Trump is sending 7,000 additional troops to the Middle East. As peace talks stall, the possibility of a ground operation in Iran rises.

It's not a cakewalk, but if I was the Iranian military, I would be afraid that the Marines are coming," Col. William Dunn said.

The flotilla of Navy ships with Marines and their vehicles packed aboard will bring a very flexible set of capabilities to Operation Epic Fury.

The Pentagon is deploying thousands of additional Marines and sailors to the Middle East.

President Trump is dialing 911 with his deployment of two Marine Expeditionary Units to the Strait of Hormuz. These are crisis-response brigades. With thousands of combat Marines supported by air and naval assets,