Commodities March 18, 2026

U.S. Considers Troop Reinforcements as Campaign Against Iran Enters New Phase

Administration weighing deployment options from naval escorts to limited ground operations around Iran’s oil infrastructure

By Caleb Monroe
U.S. Considers Troop Reinforcements as Campaign Against Iran Enters New Phase

U.S. officials and sources say the administration is weighing the deployment of thousands of additional U.S. troops to the Middle East to broaden military options in its campaign against Iran. Proposed missions range from protecting shipping through the Strait of Hormuz to potential limited operations on Iran’s Kharg Island and efforts to secure enriched uranium stocks. Officials stressed no decision on sending ground forces has been made.

Key Points

  • U.S. leadership is considering deploying thousands of additional troops to the Middle East to expand operational options, including protecting tanker transit through the Strait of Hormuz.
  • Options under discussion include potential limited operations on Kharg Island - the hub for about 90% of Iran’s oil exports - and missions to secure enriched uranium stocks; ground deployments are not deemed imminent by sources.
  • Operational posture is affected by the arrival of an Amphibious Ready Group with an attached Marine Expeditionary Unit of over 2,000 Marines and the temporary loss of forces tied to the USS Gerald R. Ford’s maintenance.

Overview

U.S. national security planners are discussing the possible deployment of thousands of additional American troops to the Middle East as military operations against Iran move into what officials describe as a new phase. The considerations, described by a U.S. official and multiple people familiar with the planning, are intended to expand the range of operational options available to the president as he assesses next steps in the campaign.

Operational options under review

Officials say the contemplated missions include securing safe passage for oil tankers transiting the Strait of Hormuz - a task that would rely primarily on air and naval assets but could also, in planners’ assessments, require forces deployed nearer Iran’s coastline. A range of options under discussion also extends to the possibility of inserting ground forces onto Kharg Island, the facility identified by sources as handling roughly 90% of Iran’s oil exports.

Those familiar with planning caution that operations on Kharg Island would carry high risks. Iran has demonstrated the ability to reach the island with missiles and drones, and the United States has already struck military targets there. Officials and sources said the island’s central economic role means that seizing control could be viewed as a preferable alternative to destroying its infrastructure, though such an operation would not be without peril.

At least one option discussed inside the administration would involve searching for and securing Iran’s stocks of highly enriched uranium. Sources and experts described that kind of mission as complex and risky, even when contemplated for elite special operations forces.

Scale and timing

Those discussing potential reinforcements publicly emphasized that a deployment of U.S. ground forces into Iran was not seen as imminent. The planning deliberations extend beyond the scheduled arrival of an Amphibious Ready Group that is due to arrive in the region next week, which would bring along an attached Marine Expeditionary Unit of more than 2,000 Marines, according to officials and people familiar with the matter.

At the same time, planners note that some U.S. capabilities in the region have been reduced by operational developments, including the decision to send the USS Gerald R. Ford aircraft carrier to Greece for maintenance after a fire on board. That movement was cited by one source as meaning the military is losing a significant number of forces at a time when options are being weighed.

Political and human costs

Any use of ground troops, even for a narrowly defined mission, could present serious political risks for the president. Public support for the campaign is low, and the administration has emphasized past commitments to avoid renewed U.S. entanglements in Middle East conflicts. The debate inside the White House reflects those political sensitivities, with officials and advisors weighing whether the potential operational benefits outweigh the domestic and international costs.

The human toll of the campaign, even without large-scale ground operations inside Iran, has already been tangible: U.S. military figures cited 13 U.S. troops killed and about 200 wounded, most injuries described as minor. U.S. Central Command reported that, since the start of the campaign on February 28, U.S. forces have carried out more than 7,800 strikes and damaged or destroyed over 120 Iranian vessels. The region now hosts roughly 50,000 U.S. troops under Central Command’s oversight, officials said.

Administration posture and objectives

A White House official speaking on condition of anonymity said: "There has been no decision to send ground troops at this time, but President Trump wisely keeps all options at his disposal." The same official outlined the administration’s stated objectives under Operation Epic Fury: to destroy Iran’s ballistic missile capacity, annihilate their navy, neutralize terrorist proxies that could destabilize the region, and ensure Iran cannot possess a nuclear weapon.

Officials have also discussed options that could support those objectives, including operations focused on key nodes of Iran’s oil export infrastructure as well as potential missions to secure nuclear material. A senior White House official said the president had a range of options to acquire Iran’s nuclear material but had not decided how to proceed, noting only that "certainly there are ways in which it could be acquired."

In written testimony to lawmakers, Director of National Intelligence Tulsi Gabbard stated that Iran’s nuclear enrichment program had been obliterated by strikes in June and that the entrances to those underground facilities had been "buried and shuttered with cement," according to the sources.

Military context and recent actions

U.S. military operations since late February have been focused on degrading Iran’s naval capacity, missile and drone stockpiles, and parts of its defense industry. Central Command’s factsheet highlighted the cumulative number of strikes and the scale of damage inflicted on Iranian vessels. Officials said the discussions about reinforcements extend beyond the routine arrival of additional naval assets and personnel, pointing to broader deliberations inside the administration about how to achieve the campaign’s stated goals.

Public messaging and international coordination

Publicly, the president has vacillated in his comments on whether the U.S. should take responsibility for escorting vessels through the Strait of Hormuz. After initially indicating the Navy might perform escort duties, he urged other nations to take on that role and, with limited allied interest, mused about withdrawing U.S. involvement entirely in a public message posted on social media that questioned whether others should be responsible for the Strait.


Key points

  • U.S. deliberations include deploying thousands of additional troops to the Middle East to expand operational options, including protecting shipping through the Strait of Hormuz and possible limited operations on Kharg Island - sectors affected: shipping, energy, defense.
  • Some options under discussion involve securing Iran’s highly enriched uranium and the country’s oil export hub on Kharg Island, although officials say ground operations are not considered imminent - sectors affected: energy, defense, nuclear security.
  • Operational capabilities in the region are in flux, with the arrival of an Amphibious Ready Group and a loss of forces tied to the USS Gerald R. Ford’s maintenance, complicating force posture decisions - sectors affected: military logistics, defense supply chains.

Risks and uncertainties

  • High operational risk of ground operations on Kharg Island due to Iran’s ability to strike the island with missiles and drones; such risks could affect oil export infrastructure and maritime insurance and shipping costs.
  • Significant political risk for the administration from deploying ground forces given low domestic support for the campaign and prior public commitments to avoid new Middle East entanglements; this could influence market and investor sentiment in defense and energy sectors.
  • Complexity and danger of any mission to secure enriched uranium stocks, even for special operations forces, creates uncertainty about feasibility and timelines for achieving nuclear-related objectives.

Conclusion

U.S. officials emphasize no final decision has been made to insert ground forces into Iran, even as senior leaders weigh a spectrum of more assertive options to secure maritime routes, protect critical energy infrastructure, and address nuclear materials. The debate reflects a balance between operational goals and political, human and logistical constraints that will shape any next steps in the campaign.

Risks

  • Ground operations on Kharg Island would be highly risky due to Iran’s missile and drone reach, posing threats to oil export infrastructure and maritime security.
  • Deploying U.S. ground forces carries significant political risk given low public support for the campaign and prior promises to avoid new Middle East wars, which could affect investor and market sentiment.
  • Securing Iran’s enriched uranium stocks would be a complex, high-risk mission even for special operations forces, creating uncertainty around feasibility and timing.

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