Maritime Defense Weekly: Venezuela Blockade, Dark Fleet Under Fire
The Week in Focus Three developments this week carry direct implications for maritime operations worldwide: the U.S. announcing a blockade on sanctioned Venezuelan tankers as Caribbean dark fleet activity surges 95% year-on-year; Ukraine expanding drone strikes against Russia’s sanctions-evasion tankers in the Black Sea; and escalating air-sea confrontations in the East China Sea prompting a…
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The Dark Fleet Is No Longer Invisible: What the Venezuela Tanker Seizure SignalsÂ
At a Glance From Monitoring to Intervention The dark fleet – tankers engaging in dark activities while moving sanctioned oil, cycling through false flags, and obscuring ownership – has continued to expand, reaching more than 1,900 vessels by the end of Q3. Governments had visibility into this activity. What was less consistent was how that…
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An Iranian-Linked Tanker Fleet Is Operating Off the U.S. Coast Right Now
At a Glance What the Data Shows Over the past month, Windward detected an unusual concentration of tankers in and around the Caribbean Sea with elevated sanctions and compliance risk. In Q4 2024, WIndward recorded 119 area visits by vessels with similar risk profiles. In Q4 2025 to date, that number has already reached 233,…
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U.S. Sanctions Six Shipowners and Prepares to Seize More Venezuela Tankers
Expanding Sanctions and the First Enforcement Actions As the United States prepared to intercept and seize more tankers off Venezuela, six shipping companies that owned sanctions-evading very large crude carriers were designated yesterday, with more expected in the coming days. The six companies were each the registered owners of six VLCCs (White Crane IMO 9323429;…
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