Twoships, Polar Alaska and Arctic Tokyo, each with a capacity of 71,500 cubic metres (2,520,000 cu ft), were built in Sweden. In the early 1970s, the US government encouraged US shipyards to build LNG carriers, and a total of 16 LNG ships were built. Delivered at Yokosuka Shipyard, Japan, the vessel immediately set sail for South Korea to load its first cargo, destined for Argentina. This addition marks a significant step in N2Tankers’ fleet renewal program and increases its total fleet size to 11 vessels. Dark tanker activity, IRGC patrols, EMCON transits, and export bottlenecks are increasing instability and reducing visibility around the Strait of Hormuz. Latest news on tanker markets, LNG and crude oil shipping from TankerMap.IRGC threat over oil tankers raises pressure on Gulf shippingrisk. Impact on Global Shipping. Tanker movement: short-term concentration of tankers outside the Strait increases waiting times at anchorages in the Gulf of Oman and Fujairah approaches. A UN investigation has uncovered a rapidly expanding Libyan fuel‑smuggling empire, shifting from tankers into containerised flexi‑tanks that are misdeclared as paint solvent or metal scrap. Tankers and Gas Risk and Compliance. The problem has not stayed limited to ship movements inside Hormuz. Airline and airspace disruption has also made crew travel longer, less flexible, and more expensive, complicating relief rotations even when ships can still move. Image A tanker and two smaller ships are seen in the water behind some foliage and a rock formation. Another tanker is visible in the hazy distance. A crude oil tanker arrived in South Korea last week after passing through the Strait of Hormuz with its location tracker turned off.Credit...