Commodities March 25, 2026

U.S. Moves to Accelerate Return of Minesweeper-Capable Ships Undergoing Maintenance in Singapore

Navy seeks to shorten downtime for two littoral combat ships refitted for mine countermeasures as Tehran’s mining threats raise energy and shipping concerns

By Sofia Navarro
U.S. Moves to Accelerate Return of Minesweeper-Capable Ships Undergoing Maintenance in Singapore

A senior U.S. official said the Navy is trying to speed up maintenance in Singapore on two littoral combat ships outfitted for minesweeping so they can return to their Bahrain-based operations in the Persian Gulf. The move comes amid growing concerns about Iranian threats to deploy mines in the Strait of Hormuz and warnings of potential use of floating coastal mines if Kharg Island were blockaded, a development the official linked to major global energy supply disruption.

Key Points

  • U.S. aims to shorten maintenance time for two littoral combat ships in Singapore so they can resume Bahrain-based minesweeping operations - sectors affected: defense and naval logistics.
  • Iranian threats to deploy mines in the Strait of Hormuz and warnings about coastal floating mines could disrupt global energy flows, given the strait carries about one-fifth of the world’s oil and LNG - sector affected: energy markets.
  • U.S. mine-warfare resources in the region currently include unmanned undersea vehicles, four Avenger-class vessels, helicopters and divers; Avenger-class ships have been decommissioned in Bahrain and replaced by littoral combat ships configured for mine countermeasures - sectors affected: defense procurement and maritime security.

Overview

The U.S. Navy is seeking to expedite maintenance work on two littoral combat ships that have been refitted for mine-countermeasure duties and are currently in Singapore, a senior U.S. official said on Wednesday. The goal is to get the vessels back to the Persian Gulf where they operate from Bahrain as quickly as possible, according to the official, who spoke on the condition of anonymity and did not provide a specific timeline.

Operational context

The official acknowledged that U.S. forces face limited options in the Indian Ocean to sustain the Bahrain-based ships while they are laid up 6,300 km (3,915 miles) away in Singapore. He said the Navy hopes to minimise the period the vessels spend undergoing maintenance so they can return to their theatre of operations.

The ships have been at sea for an extended period because of military operations and therefore required refitting and maintenance, the official said. These steps are intended to ready the ships for an operational return to the Persian Gulf.

Security and regional threats

The remarks come amid heightened concerns about Iranian activity in and around the Strait of Hormuz. The official said Tehran has attacked countries that host U.S. bases and effectively closed the strait, a key transit route for about one-fifth of the world’s oil and liquefied natural gas, producing what the official described as the worst energy supply shock in history.

Sources have said Iran has deployed mines in the Strait of Hormuz. Additionally, Iran’s Defence Council warned on Monday that various types of mines, including floating mines deployed from the coast, could be used in response to a U.S. blockade of Kharg Island, Tehran’s principal oil export facility.

Current mine-warfare capabilities

When asked what minesweeping capacity the United States currently maintains in the Middle East while the two ships are in Singapore, the official listed available mine-warfare resources. Those include unmanned undersea vehicles, four Avenger-class vessels, helicopters and divers. He also noted that Bahrain-based Avenger-class ships, which were designed as minesweepers, have been decommissioned and replaced by littoral combat ships that can be fitted with mine-countermeasure equipment.

The official declined to provide a timetable for the completion of the Singapore maintenance work but said the Navy intends to complete the refurbishing as soon as possible so the ships can return to their Bahrain-based operations.

Risks

  • Iranian deployment of mines in the Strait of Hormuz, and specific warnings about floating coastal mines if Kharg Island were blockaded, pose direct threats to shipping and energy shipments - impacts energy and shipping markets.
  • Limited U.S. options in the Indian Ocean to maintain Bahrain-based ships while they undergo maintenance in Singapore could lengthen downtime for mine-countermeasure vessels, reducing regional minesweeping capacity - impacts naval readiness and maritime security.
  • The official reported that attacks on countries hosting U.S. bases and an effective closure of the Strait have produced a severe energy supply shock, underlining the risk of broader market disruption if threats persist - impacts global energy markets.

More from Commodities

Bernstein Warns of 1970s-Style Supercycle Forming in Middle East Oil Services Mar 25, 2026 BlackRock CEO Says Oil Could Reach $150 a Barrel if Iran Remains a Regional Threat Mar 25, 2026 India Accepts First Iranian LPG Shipment in Years After U.S. Eases Sanctions Mar 25, 2026 AI Demand Spurs Rapid Expansion of China’s Chip Manufacturing Capacity Mar 25, 2026 UBS: Modern Economy Far Less Sensitive to $100 Oil Than 1974 Shock Mar 25, 2026