US Third Aircraft Carrier Heads Toward Iran

The United States is sending a third aircraft carrier toward waters around Iran, a U.S. official told Al Jazeera on Oct. 2, 2026, as the US third aircraft carrier deployment and a Marine expeditionary force add pressure on Tehran in the eighth month of the conflict.

The official said the USS Theodore Roosevelt carrier strike group left San Diego on Sunday, followed a day later by the Makin Island Marine Expeditionary Force with more than 2,000 Marines. By the end of November, three carriers and two amphibious landing groups are expected around Iran, on top of roughly 50,000 U.S. service members already in the region.

US third aircraft carrier joins Middle East force buildup

Reporting from Al Jazeera said the new package includes extra air power such as F-35 fighters. Pentagon and White House sources described the goal as keeping military options “on the table” for President Donald Trump whether or not diplomacy advances, with no plan to withdraw assets even if a deal is reached. Defense Secretary Pete Hegseth has said forces are “ready to go” if Trump orders new strikes.

Trump told Fox News he believes the U.S. will “win the war” with Iran “very soon,” while also saying a return to military action “is possible” but something he would rather not detail before November’s midterms. Washington also sanctioned Iranian rail and automotive conglomerates this week in a bid to drain remaining revenue.

Iran’s seven-day Hormuz roadmap still stalled

Parallel to the buildup, Iran has pushed a seven-day roadmap via Qatar that would reopen the Strait of Hormuz and restart nuclear talks in exchange for ending the U.S. naval blockade, sanctions relief and a wider regional ceasefire covering Lebanon and Yemen. Trump rejected that plan. U.S. Ambassador to the UN Mike Waltz told NBC that frozen funds and sanctions relief were non-negotiable, citing global sanctions and UN Security Council resolutions on Iran’s nuclear program. Background on the stalled channel is in our earlier explainer on Strait of Hormuz talks among Iran, the U.S. and Qatar.

Mixed signals from Tehran and Washington

Iranian Foreign Minister Abbas Araghchi told NBC Tehran was “fully prepared” to resume fighting, then wrote on X that Iran came to New York to “forge peace.” Analysts say the duel is now about who drops primary leverage first. An AP-NORC poll cited by Al Jazeera found nearly 70 percent of Americans saying the war has not been worth fighting—criticism Trump dismissed by attacking pollsters.

Force posture through November

If the timeline holds, late November will bring an unusual concentration of U.S. naval and Marine power around Iran. That posture raises both deterrent signaling and accident risk in crowded waters already linked to tanker incidents. Regional diplomacy, including Saudi-led security framing covered in our piece on the Makkah defense pact, will shape whether the buildup buys negotiation space or hardens toward another strike cycle.