U.S. Central Command said the vessel, identified as the Sevan, was intercepted by a Navy helicopter launched from the guided-missile destroyer USS Pinckney during operations aimed at enforcing restrictions on Iranian oil and gas shipments.

The military described the Sevan as part of a 19-vessel “shadow fleet” accused of transporting Iranian petroleum products, including oil, propane and butane, to foreign markets in violation of U.S. sanctions.

According to Central Command, the ship complied with orders to reverse course and is now heading back toward Iran under U.S. escort.The interception marks the latest maritime enforcement action under a U.S.-led blockade intended to restrict Iranian energy exports and reduce revenue flows to Tehran amid heightened regional tensions.

U.S. officials said the targeted fleet had been sanctioned by the United States Department of the Treasury for facilitating the transport of billions of dollars’ worth of Iranian energy products through covert shipping networks often involving opaque ownership structures and flag changes.

“These vessels are part of a sanctions evasion network designed to conceal the origin and destination of Iranian exports,” Central Command said in its statement.Since the start of the blockade, the U.S. military said 37 vessels have been redirected, reflecting an expanded effort to enforce sanctions through direct maritime interdiction rather than financial restrictions alone.

The Arabian Sea has become a focal point for such operations due to its strategic role in shipping routes connecting the Gulf, South Asia and global energy markets.Washington has increased pressure on Iranian oil exports as part of broader efforts to constrain Tehran’s regional influence and funding channels, particularly amid ongoing instability across the Middle East and heightened tensions involving U.S. forces in the region.

Iran has repeatedly criticized U.S. maritime sanctions enforcement as unlawful and has accused Washington of disrupting freedom of navigation and international trade.

The latest interception comes as scrutiny of tanker movements linked to Iran has intensified, with governments and shipping regulators monitoring so-called shadow fleets used to bypass sanctions through ship-to-ship transfers and concealed cargo documentation.

No injuries or military confrontation were reported during the interception of the Sevan, and Central Command did not specify the vessel’s final destination before it was ordered to turn back.

No reason was provided for the abrupt exit of Phelan, the Navy’s top civilian official, whose departure comes at a time of heightened operational activity, including a blockade of Iranian ports and actions targeting vessels linked to Tehran during a fragile ceasefire in the ongoing regional conflict.

Pentagon spokesman Sean Parnell confirmed the move in a statement, while the administration named Hung Cao, the current undersecretary and a retired Navy captain, as acting secretary. Cao, a former combat officer and political candidate in Virginia, assumes the role immediately.

Phelan’s departure adds to a series of leadership changes under Defense Secretary Pete Hegseth, who has removed several senior military figures since taking office last year. Those include Randy George, the Army’s top uniformed officer, as well as earlier dismissals of Lisa Franchetti and Jim Slife.

Charles Q. Brown Jr. was also removed from his post as chairman of the Joint Chiefs of Staff.The timing of Phelan’s exit appeared sudden. He had addressed a major Navy conference in Washington a day earlier and held meetings with lawmakers, including members of the House Armed Services Committee, to discuss shipbuilding plans and budget priorities, according to official communications.

Phelan, a private investment executive and founder of Rugger Management LLC, had limited prior government or military leadership experience before his nomination in late 2024. His background included advisory work with Spirit of America, a nonprofit supporting defense-related initiatives in Ukraine and Taiwan.

His tenure coincided with an expanded U.S. naval presence globally. The Navy currently has multiple aircraft carriers deployed or en route to the Middle East, and U.S. forces remain positioned for potential renewed operations should the ceasefire with Iran collapse.

Separately, naval assets have supported counter-narcotics operations in the Caribbean and were involved in the January capture of Venezuelan leader Nicolás Maduro.Cao, who succeeds Phelan in an acting capacity, is a Vietnam-born refugee who later graduated from the U.S. Naval Academy and served in special operations units, including deployments in Iraq, Afghanistan and Somalia.

He previously ran unsuccessful campaigns for the U.S. Senate and House of Representatives in Virginia and has publicly criticized diversity and inclusion initiatives in the military, as well as COVID-19 vaccine mandates imposed on service members.

His appointment comes as the Trump administration continues to recalibrate defense leadership and policy priorities, including a broader rollback of diversity programs across the armed forces.

Saudi political analyst Faisal Ibrahim Al Shammari confirmed via social media that the U.S. Navy’s Fifth Fleet, headquartered in Manama, Bahrain, has been placed on high alert, with dependents of service members already beginning to evacuate the country.

The precautionary steps follow undisclosed threats and a “rapid shift in the security posture” of U.S. military assets in the Gulf. According to Al Shammari, the State Department’s decision was driven by intelligence assessments indicating a heightened risk of Iranian-sponsored reprisals in the region—possibly in response to recent clandestine developments.

Iraq: U.S. Embassy Prepared for Emergency Exit

Sources indicate that the U.S. Embassy in Baghdad has been instructed to prepare for a potential emergency evacuation. Military personnel stationed in Iraq have reportedly been placed on elevated alert, with contingency plans being reviewed for an expedited drawdown if the security situation deteriorates.

The shift in posture signals growing unease in Washington over Iranian proxy activity and maritime threats amid an increasingly volatile geopolitical landscape.

Regional Readiness Tightens

In a related development, the UK Maritime Trade Operations (UKMTO) issued an urgent security alert for vessels transiting the Persian Gulf, warning that “escalating tensions” may trigger “military activity targeting commercial shipping.”

American vessels operating in Gulf waters are being advised to exercise maximum caution, while security analysts warn that the current environment mirrors patterns seen ahead of prior naval confrontations.

The evacuation orders and high-alert statuses underscore mounting fears of a sudden clash in the region, particularly between the United States and Iran. Gulf nations—especially those hosting U.S. military assets—are closely watching the situation, as diplomatic and military backchannels work to prevent open confrontation.

As of now, there has been no official comment from the U.S. State Department regarding the troop movements or embassy evacuation plans.

The situation remains fluid.