War on Iran: What troops is the US moving to the Gulf?

Key Points:

• Nearly four weeks into Operation Epic Fury, the US has conducted over 9,000 airstrikes on Iran, targeting military and nuclear infrastructure, while deploying nearly 7,000 additional troops to the Middle East, marking the largest US troop buildup since the Iraq War.
• The US military reinforcements include two Marine Expeditionary Units aboard the USS Tripoli and USS Boxer, and about 2,000 soldiers from the 82nd Airborne Division, enhancing rapid-response capabilities but not indicating preparation for a sustained ground campaign.
• Potential US military objectives may involve seizing or blockading Kharg Island, securing the Strait of Hormuz to ensure oil passage, or, less likely given current forces, securing Iran’s nuclear materials; all scenarios carry risks of escalation.
• Diplomatic efforts remain uncertain, with President Trump claiming progress in talks with Iran that Tehran denies; Pakistan has offered to mediate, positioning itself as a potential facilitator for de-escalation and conflict resolution.
• Experts warn that the US military buildup serves as coercive leverage to strengthen diplomatic negotiations but caution that further escalation or heavier troop deployments could reduce diplomatic flexibility and increase the risk of unintended conflict.