2021 U.S.–Iran Naval Incident
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Iran's
Islamic Revolutionary Guard Corps The Islamic Revolutionary Guard Corps (IRGC), also known as the Iranian Revolutionary Guards, is a multi-service primary branch of the Islamic Republic of Iran Armed Forces, Iranian Armed Forces. It was officially established by Ruhollah Khom ...
stated on 25 October 2021 that they had thwarted an attempt by the United States to capture and detain a tanker carrying Iranian oil in the
gulf of Oman The Gulf of Oman or Sea of Oman ( ''khalīj ʿumān''; ''daryâ-ye omân''), also known as Gulf of Makran or Sea of Makran ( ''khalīj makrān''; ''daryâ-ye makrān''), is a gulf in the Indian Ocean that connects the Arabian Sea with th ...
by carrying out a heliborne operation and directing the ship back to Iran's territorial waters. The Pentagon rejected the Iranian statement and said that Iranian forces had seized a
Vietnam Vietnam, officially the Socialist Republic of Vietnam (SRV), is a country at the eastern edge of mainland Southeast Asia, with an area of about and a population of over 100 million, making it the world's List of countries and depende ...
ese-flagged oil tanker in October. It was later confirmed by the Vietnam officials that Iran had captured their oil tanker MV ''Sothys''. After talks with the Iranian authorities, MV ''Sothys'' was released from the Bandar Abbas port on 11 November 2021 without "its original batch of oil." The IRGC public relations department said the release had been under warrant. IRGC released an official footage showing the tanker seizing operation.


Background

Iran's crude oil exports were re-imposed sanctions by the United States after
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withdrew
JCPOA The Joint Comprehensive Plan of Action (JCPOA; (, BARJAM)), also known as the Iran nuclear deal or Iran deal, is an agreement to limit the Iranian nuclear program in return for sanctions relief and other provisions. The agreement was finalize ...
. Either, Iran's exports sharply expanded, the data show, after the United States elections. On 14 August 2020, the United States allegedly seized four Iranian fuel shipments bound for Venezuela. The confiscated shipments were reportedly bound for
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, Texas. Washington described it as an action against flouting U.S. sanctions. According to ''
The Wall Street Journal ''The Wall Street Journal'' (''WSJ''), also referred to simply as the ''Journal,'' is an American newspaper based in New York City. The newspaper provides extensive coverage of news, especially business and finance. It operates on a subscriptio ...
'' report, the U.S. forced Greek shipowners to surrender Iranian fuel to the U.S. government by threatening sanctions. Legal sources had previously told
Reuters Reuters ( ) is a news agency owned by Thomson Reuters. It employs around 2,500 journalists and 600 photojournalists in about 200 locations worldwide writing in 16 languages. Reuters is one of the largest news agencies in the world. The agency ...
that the shipments could not be confiscated until they were in U.S. territorial waters. Hojat Soltani, Iran's ambassador to Venezuela called it a big lie and wrote on
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: "Neither the ships are Iranian nor their owners or their cargo has any connection to Iran,".


Incident

On 3 November 2021, Iran's
IRGC The Islamic Revolutionary Guard Corps (IRGC), also known as the Iranian Revolutionary Guards, is a multi-service primary branch of the Iranian Armed Forces. It was officially established by Ruhollah Khomeini as a military branch in May 1979 i ...
stated that they thwarted an attempt by the United States to capture and detain a tanker carrying Iranian oil in the
gulf of Oman The Gulf of Oman or Sea of Oman ( ''khalīj ʿumān''; ''daryâ-ye omân''), also known as Gulf of Makran or Sea of Makran ( ''khalīj makrān''; ''daryâ-ye makrān''), is a gulf in the Indian Ocean that connects the Arabian Sea with th ...
. The IRGC said in a media statement that "With the timely and authoritative action of the Guards’ naval forces, the US terrorist navy's operation to steal Iranian oil in the Sea of Oman failed." IRGC said in a statement on its website Sepahnews, that US forces had seized the tanker, carrying Iranian oil, and transferred the oil to another tanker and then moved it to an "unknown destination". According to the statement, IRGC naval forces, with air support, intervened by capturing the second tanker, "thwarting a second attempt by the US Navy to retake the vessel." US officials denied the Iranian account and said there had been no American aimed at seizing a tanker. The U.S. officials said that Iranian forces had actually seized a Vietnamese-flagged oil tanker last month while "two U.S. navy ships, backed by air support, had monitored the situation, but did not try to interdict the vessel." According to ''
The Guardian ''The Guardian'' is a British daily newspaper. It was founded in Manchester in 1821 as ''The Manchester Guardian'' and changed its name in 1959, followed by a move to London. Along with its sister paper, ''The Guardian Weekly'', ''The Guardi ...
'', "if the American account is true, it is unclear why the Iranians would seek to board a vessel taking Iranian oil for export clandestinely towards Asia." Vietnam later confirmed capture of its oil tanker, MV ''Sothys'', with Vietnam's foreign minister saying they held talks with the Iranian authorities to resolve the issue. They also quoted oil tanker's captain as confirming on 27 October 2021 in Tehran that "all 26 members of the crew were in good health and were being well-treated." The Vietnamese oil tanker MV ''Sothys'' was released from the Bandar Abbas port on 11 November 2021 without "its original batch of oil." According to Seyyed Mohammad Marandi, a Tehran-based analyst, the captured tanker was "one of four tankers carrying Iranian oil to Venezuela that had been seized by the United States in the Atlantic Ocean" in August 2019. "Now the tanker with the same captain & crew & under US military protection has been seized by the IRGC Navy," Marandi said in a tweet. This statement was rejected by a Pentagon spokesman.


Aftermath

On 11 November 2021, MV ''Sothys'', the Vietnamese oil tanker, was released after transferring the oil, according to spokesperson Shahrokh Nazemi speaking to the AP. Iranian state media said that the oil transfer from the ''Sothys'' under a court order.


Footage release

Iran celebrated its capture of the vessel in a footage aired on state television, showing IRGC special forces carrying out a heliborne operation and directing the ship back to Iran's territorial waters. The footage was released one day before the 42nd anniversary of the 1979 seizure of the U.S. Embassy in Tehran. The footage showed Iranian commandos heliboarding on a tanker. The tanker was then surrounded several IRGC
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s and "a voice in English warned a U.S. ship to leave the area."


Reactions


Iran

Hossein Salami Hossein Salami (; 1960 – 13 June 2025) was an Iranian military officer who served as the Commander-in-Chief of the Islamic Revolutionary Guard Corps (IRGC) from 2019 until 2025 when he was killed by an Israeli airstrike during the Iran–Is ...
, head of the IRGC, said: this event is "humiliation for an empire on the decline." Admiral
Alireza Tangsiri Commodore Alireza Tangsiri (; born 1962) is an Iranian naval officer who serves as the commander of the IRGC Navy, appointed in 2018. Military career Tangsiri was a naval brigade commander during the Iran-Iraq War. He later headed the Islam ...
, head of the IRGC navy, called claims by US officials are incorrect and said: given that the distance of US ships was less than from Iranian vessels and forces, if they just wanted to monitor the situation, they could do it from long a distance or use aircraft and drones. Also, he claimed that the US was "prepared for a large operation" based on their earlier assessments.


United States

John Kirby, Pentagon spokesman, called this a bogus claim. He said: "The only seizing that was done was by Iran".


See also

*
2016 U.S.–Iran naval incident On January 12, 2016, two United States Navy CB90-class fast assault craft, riverine command boats were seized by Iran's Islamic Revolutionary Guard Corps (IRGC) Navy of the Islamic Revolutionary Guard Corps, Navy after they entered Iranian territo ...
* 2004 Iranian seizure of Royal Navy personnel * 2007 Iranian arrest of Royal Navy personnel * 2008 U.S.–Iranian naval dispute * 2011–12 Strait of Hormuz dispute * July 2021 Gulf of Oman incident * August 2021 Gulf of Oman incident * 2022 Iran–Greece naval incident * Iran–United States relations during the Biden administration


References

{{DEFAULTSORT:2021 U.S.-Iran naval incident 2021 in Oman 2021 in Iran 2021 in the United States Conflicts in 2021 Incidents in the Gulf of Oman Iran–United States military relations