As of Monday morning, the US military has begun blocking all maritime traffic from entering or exiting Iran's ports. This is the latest escalation in the US Iran war. And here's what we know about how this military blockade will work.The US says that this is in effect against all ships regardless of where they're from. They say it'll be enforced specifically in the Gulf of Oman and the Arabian Sea. So that's east of the Strait of Hormuz.And the military says that any vessel entering or exiting Iranian ports ...