U.S. troops deploy as Pentagon weighs Iran ground ops

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- U.S. troops are deploying to the Middle East by the thousands while the Pentagon weighs possible ground operations in Iran.
- Military analysts outline three mission types—coastal assaults, nuclear site raids, and deeper inland operations—each exposing troops to Iranian missiles, drones, and ground fire.
- Joe Costa, director of the Forward Defense program at the Atlantic Council’s Scowcroft Center, says a limited incursion could target islands such as Abu Musa, Larak and the Tunbs to help reopen the Strait of Hormuz.
- USS Tripoli and the 31st Marine Expeditionary Unit arrived in regional waters on Friday, and elements of the 82nd Airborne Division are also deploying, confirming the troop buildup.
- Iranian forces are expected to fire missiles, drones and ground units at arriving U.S. troops, and may aim to capture or kill Americans for propaganda, potentially stretching the conflict and involving regional proxies.
- Dan Grazier, director of the National Security Reform Program at the Stimson Center, warns Iran would likely avoid decisive battles, instead making the war costly and prolonged for the United States.
- CSIS estimates the first 100 hours of the war have cost billions of dollars, while the human toll includes 13 American service members killed and over 300 injured as of late March.
Why it matters: Deploying thousands of troops puts U.S. forces directly in Iran’s missile and drone range, raising the likelihood of casualties and inflating the war’s already‑billion‑dollar cost. Iran can exploit the incursion for propaganda and proxy attacks, forcing Washington to confront a costly, prolonged ground fight.
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