In June 2024, the United States seized an oil tanker in international waters near Venezuela, accusing it of violating U.S. sanctions. The vessel was reportedly carrying Iranian crude oil and attempting to evade sanctions through complex ship-to-ship transfers, potentially destined for Venezuela or other sanctioned nations. The U.S. Department of Justice stated the operation was part of its ‘largest-ever crackdown on illicit oil trade,’ aimed at curbing revenue flows to sanctioned regimes like Iran and Venezuela via covert maritime networks.Venezuela has faced stringent U.S. economic sanctions since 2019, including a ban on its oil exports and the freezing of its overseas assets. Iran, similarly sanctioned over its nuclear program and regional policies, has deepened energy cooperation with Venezuela in recent years—exchanging technical expertise and crude oil—which has raised alarms in Washington. The U.S. Coast Guard and the Treasury’s Office of Foreign Assets Control (OFAC) collaborated on the enforcement, using satellite tracking, anomalies in Automatic Identification System (AIS) signals, and records of frequent flag changes to identify suspicious vessels.This seizure underscores America’s resolve to enforce unilateral sanctions globally and highlights the geopolitical challenges Venezuela and Iran face in sustaining energy partnerships under pressure. Analysts note that while such actions may temporarily weaken targeted economies, they could also escalate regional tensions and incentivize the expansion of ‘shadow fleets’ designed to circumvent sanctions.
2024年6月，美国在加勒比海靠近委内瑞拉的国际水域扣押了一艘涉嫌违反美国制裁令的油轮。该船据称装载了来自伊朗的原油，并计划通过复杂的转运操作规避制裁，最终可能运往委内瑞拉或其他受制裁国家。美国司法部表示，此次行动是其‘最大规模打击非法石油贸易’行动的一部分，旨在遏制伊朗和委内瑞拉等被制裁政权通过隐蔽航运网络获取关键收入。委内瑞拉长期受到美国严厉经济制裁，尤其自2019年以来，美国禁止其石油出口并冻结其海外资产。与此同时，伊朗也因核问题及地区政策面临类似制裁。两国近年来加强能源合作，包括技术交换与原油互换，引发美方高度警惕。美国海岸警卫队与财政部外国资产控制办公室（OFAC）联合执法，利用卫星追踪、船舶自动识别系统（AIS）关闭行为及船籍变更记录等手段锁定可疑船只。此次扣押事件再次凸显美国在全球范围内执行单边制裁的决心，也反映出委内瑞拉与伊朗在地缘政治夹缝中寻求能源合作的现实困境。分析人士指出，此类行动虽短期内可削弱目标国财政能力，但也可能加剧地区紧张局势，并促使相关国家进一步发展规避制裁的‘影子舰队’。
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