Destroying 4 offending oil tankers as a result of hitting a mine, stopping two offending ships and one more and hunting the 56th MQ 9 UAV. IRGC PR: Four criminal oil tankers that tried to pass through the forbidden passage south of the Strait of Hormuz were destroyed by a sea mine and are still burning, and two other criminal ships or criminal vessels were arrested. The air defense fighters of the Revolutionary Guards shot down the 56th MQ9 unmanned aircraft over the Strait of Hormuz at 4:30 this morning in an innovative operation.