At least three tankers carrying Iranian oil have sailed through the U.S. naval blockade this week, with a fourth, an empty vessel, heading towards the Gulf of Oman, after the U.S. and Iran agreed a framework deal to reopen the strategic Strait of Hormuz…<p><p>https://www.marinelink.com/news/iranian-oil-tankers-resume-shipments-540390</p></p>