U.S. forces conducted a maritime interdiction and boarded the stateless supertanker MT Davina (also known as Lenore) overnight in the Indian Ocean, the Pentagon and U.S. Indo-Pacific Command (INDOPACOM) confirmed on June 5, 2026. The vessel, a very large crude carrier (VLCC) capable of carrying up to two million barrels of oil, was operating as part of Iran’s shadow fleet and had been under U.S. sanctions since October 2024 for trading Iranian crude.
The boarding occurred without incident in the INDOPACOM area of responsibility. Ship-tracking data showed the Davina last positioned off Sri Lanka’s southern coast on June 5. A video released by INDOPACOM depicted U.S. forces executing a “right-of-visit” boarding. The tanker’s draft indicated it was almost fully laden with oil.
INDOPACOM stated: “We will continue global maritime enforcement to disrupt illicit networks and interdict vessels providing material support to Iran, wherever they operate.” The operation underscores the Trump administration’s expanded campaign to choke off Iran’s illicit oil trade amid the ongoing U.S. naval blockade of Iranian ports, which began in mid-April 2026 following the collapse of peace talks.
Tanker Background and Route
The MT Davina (IMO 9259367) is a stateless vessel that has used deceptive practices typical of the shadow fleet, including name changes and false flags (previously linked to a Curacaoan flag in some records). U.S. Treasury sanctions targeted it specifically for its role in transporting Iranian crude oil, with reports indicating prior deliveries to China. While the exact loading port and final destination for this voyage were not publicly detailed in official statements, shadow fleet tankers like the Davina typically load Iranian crude at ports such as Kharg Island in the Persian Gulf before heading east through the Indian Ocean toward Asian buyers. The positioning of Sri Lanka aligns with a route toward potential discharge in East Asia.
Context: U.S. Blockade and Enforcement Actions
This interdiction is the latest in a series of U.S. operations targeting vessels linked to Iran’s shadow fleet since the April 2026 imposition of the naval blockade on Iranian ports in the Arabian Gulf and Gulf of Oman. CENTCOM has reported redirecting or intercepting dozens to over 100 commercial vessels (including tankers) attempting to enter or exit Iranian ports, with specific numbers cited as 29 by late April, 91 by mid-May, and higher in subsequent updates. Multiple oil tankers have been boarded in the Indian Ocean and nearby waters as part of global enforcement extending beyond the immediate blockade zone.
Examples include earlier 2026 boardings of other Iran-linked tankers such as the MT Tifani in the Bay of Bengal. U.S. forces have seized or redirected vessels carrying tens of millions of barrels of oil, aiming to deprive Iran of revenue estimated at up to $500 million daily from blocked exports.
What Happens to Boarded Tankers and Their Oil?
Official statements on the Davina did not disclose immediate next steps for the vessel or its cargo. In similar shadow-fleet interdictions, the U.S. typically takes possession of the tanker and evaluates options, which may include towing it to a U.S. or allied port, transferring it to another nation, or pursuing legal forfeiture. The oil cargo—often Iranian crude in these cases—can be seized, stored, or auctioned, with proceeds potentially directed to U.S. accounts or victims of Iranian actions, though logistics are complex and costly (as seen in prior seizures involving Venezuelan or Russian-linked vessels). Some tankers have been returned in diplomatic deals. No release or auction details have been announced for the Davina as of this reporting.
The action highlights the reach of U.S. maritime enforcement into the Indo-Pacific and its role in disrupting Iran’s efforts to circumvent sanctions through the shadow fleet of aging, uninsured tankers.
- gCaptain article (primary reference): https://gcaptain.com/us-forces-board-sanctioned-tanker-in-indian-ocean-pentagon-says/ (published June 5, 2026, by Jonathan Gilbert with Reuters reporting).
gcaptain.com
- Reuters full article: https://www.reuters.com/world/us-forces-board-sanctioned-vessel-indian-ocean-pentagon-says-2026-06-05/ (June 5, 2026).
reuters.com
- U.S. Treasury sanctions press release (October 2024): https://home.treasury.gov/news/press-releases/jy2644.
reuters.com
- INDOPACOM statements and video (via Reuters, Military Times, and X posts referenced in coverage).
militarytimes.com
- Wikipedia summary of 2026 U.S. naval blockade of Iran (for blockade statistics): https://en.wikipedia.org/wiki/2026_United_States_naval_blockade_of_Iran.
en.wikipedia.org
- Additional context from Military Times, USNI News, Al-Monitor, and Atlantic Council reports on shadow fleet seizures and post-boarding procedures.
atlanticcouncil.org
No official CENTCOM X posts were located on this specific INDOPACOM-led operation in the Indian Ocean, as the incident falls under Indo-Pacific Command responsibility. All information is drawn from publicly available Pentagon/INDOPACOM releases, Reuters, gCaptain, and related reporting as of June 6, 2026.

