I'm not really very up to speed on this, can someone explain how the strait is actually closed? Are the Iranians threatening to sink any ships that pass by, or what? How come any ships don't turn their transponders off and try to make a run for it?

> How come any ships don't turn their transponders off and try to make a run for it?

Because the cost of failure is death and the crew aren’t going to risk it, and the other cost of failure is a couple hundred million dollars in ship and cargo and the insurance companies aren’t going to risk it either. This is like asking why your DoorDash driver wouldn’t just try to run the police blockade to get you your burrito.

Kattegat where I live is probably double the width of Hormuz and if you're in a small ship you can probably sail most of those 140 km. Not without risk, but you'd be relatively safe for the most part. Big ships can't though, so even though there might be 50km on each side of them they could potentially have a shipping lane which is only a few hundred meters wide.

I can't say that I know anything about Iran, but if we were to close our straits off so you couldn't enter the north sea from the baltic sea then our navy would rapidly deploy various different mines that lay on the bottom on the shallower parts and control the shipping lanes with things like suicide drones. I imagine Iran would do something similar, only they've probably been preparing for it a lot more than we have.

They’ll sink ships or cause damage with low cost drones or missles

The strait isn’t wide enough, Iran can see any ships attempting

From what I was reading Iran likely wouldn’t sink a civilian vessel but because the risk is there due to the threat they don’t do it because it would violate the contact for their maritime insurance, meaning even if you had a brave crew and orders to go, you lose all your insurance coverage against the loss if something goes wrong.

I'm sure tankers are huge and show up easily on naval radars.

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