How many US-sanctioned supertankers passed through the Strait of Hormuz with transponders off in the past week, and what was their combined oil capacity?

According to the news body, 'Six US-sanctioned supertankers, capable of carrying a combined 12 million barrels of crude, have passed through the strait into the Gulf of Oman in the past week with their transponders turned off, according to ship-tracking data compiled by Bloomberg.'

What major US policy change regarding Iranian oil exports took effect on July 7, and how did Iran respond?

The U.S. revoked temporary permission for Tehran to sell its oil on July 7, after which Iran responded by sending six sanctioned supertankers through the Strait of Hormuz with transponders turned off — part of a broader pattern of 'dark transits' that have outnumbered visible ones in recent days.

Iran Smuggles Oil Tankers Through Hormuz as Trump Escalates Threats

Jul 13, 2026

Six US-sanctioned Iranian supertankers carrying 12 million barrels of crude bypassed the Strait of Hormuz with transponders off amidst renewed US blockade threats. Rising 'dark transit' activity signals potential disruption to global energy supply chains.

bloomberg

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