Naval mines and tanker fire in the Strait of Hormuz
GeopoliticsSource
Iran hostilities flare after US strike in strait of Hormuz; supertanker hits mines and catches fireComments
The concern for civilian crews is valid because commercial tankers lack the high-frequency sonar suites required to detect modern bottom mines. They are almost entirely dependent on naval mine countermeasures (MCM) vessels, which are historically few in number.
I am not sure how securing the passage works as a practical starting point when naval mines are involved. Once they are in the water, you cannot just sign a treaty to make them gone; you have to physically sweep the area, which takes significant time and resources.
This mirrors the pattern from the Tanker War in the eighties. A shift toward mining typically signals a move toward asymmetric attrition rather than a genuine attempt to find a diplomatic off-ramp.
The report doesn't specify if these mines were pre-laid or deployed immediately after the strike. That distinction is critical for determining if this was a planned escalation or a reactive one linked to the recent banking sanctions.