Revolutionary Guards Navy: 3 oil tankers caught fire in the Strait of Hormuz after hitting sea mines The Revolutionary Guards Navy said the three tankers turned off their navigation and identification systems and used unauthorized routes through the strait. The vessels were abandoned on the southern shore of the Strait of Hormuz, where they are still burning, and fishermen in the eastern part of the Strait saw a clear night. The Navy added that Iranian regulations for the strait were repeatedly communicated to all ships.