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Estimated Impact of Naval Blockade
Deployment scale of US forces involved in the regional blockade.
Primary Sources
Oil tankers exit Strait of Hormuz amid fragile US-Iran ceasefire
Three supertankers laden with oil exit waterway amid global energy crunch, shipping data shows.Three supertankers laden with oil have passed through the Strait of Hormuz amid the fragile truce between the United States and Iran, according to shipping data.Iran’s blockade of the strait, a chokepoint for about 20 percent of global oil and liquefied natural gas shipments, has disrupted global energy supplies and sent oil prices soaring since the start of the US and Israel’s war on Iran at the end of February.Recommended Stories list of 4 itemslist 1 of 4Netanyahu next to Middle East map: ‘We strangled them and have more to do’list 2 of 4Iran must not charge tolls in Strait of Hormuz, UN maritime chief sayslist 3 of 4US delegation leaves Pakistan without reaching Iran deallist 4 of 4Watch JD Vance’s full remarks after US-Iran talks end without dealend of listThe Liberia-flagged Very Large Crude Carrier (VLCC) Serifos, and the China-flagged VLCCs Cospearl Lake and He Rong Hai exited the “Hormuz Passage trial anchorage”, which bypasses Iran’s Larak Island, on Saturday, data from the London Stock Exchange Group (LSEG) showed.Each vessel is capable of carrying 2 million barrels of oil.Serifos, which is chartered by Thai state-owned energy firm PTT, according to data from LSEG and analytics firm Kpler, is among seven vessels that Malaysia sought clearance for from Iran to transit the strait, two people familiar with the matter told the Reuters news agency.The tanker, carrying crude loaded from Saudi Arabia and the United Arab Emirates in early March, is expected to arrive at Malaysia’s Malacca Port on April 21, according to LSEG and Kpler data.Malaysia’s Ministry of Foreign Affairs, PTT, and Malaysian state energy firm Petronas did not respond to requests for comment sent outside office hours on Sunday.Another tanker, Ocean Thunder, loaded with Iraqi crude and chartered by a unit of Petronas, transited the waterway last week.Cospearl Lake, laden with Iraqi oil, is expected to arrive at eastern China’s Zhoushan port on May 1, LSEG data showed.It was not clear where He Rong Hai would discharge the Saudi crude on board.Both VLCCs are chartered by Unipec, the trading arm of Chinese energy giant Sinopec, the data showed.Sinopec did not respond to a request for comment outside office hours.Hundreds of tankers are still stuck in the Gulf, waiting to exit during the two-week ceasefire period.Three other empty tankers – Mombasa B, Agios Fanourios I, and Shalamar – were sail...
More oil tankers cross Strait of Hormuz via Iranian-marked lanes
Bloomberg energy columnist Javier Blas said on Saturday four oil tankers transited the Strait of Hormuz today: three supertankers exited and a fourth VLCC is crossing into the Persian Gulf in ballast to load Iraqi crude for Vietnam. "All in-and-out traffic is using the new Iranian-marked shipping lanes," he posted on X.
US positions warships in region as it moves to enforce naval blockade ...
However, two oil tankers linked to Iran exited the Gulf via the strait just ahead of the planned US blockade, shipping data from Kpler and LSEG showed.
Oil tankers steer clear of Hormuz ahead of US blockade
Two Iranian-linked tankers exited the Gulf on Monday as other vessels began avoiding the Strait of Hormuz after the U.S. said it would start blockading Iranian ports later in the day ...

