Kharg Island is only around 15 miles off the coast of Iran. Ships can't reach it without transiting the Strait of Hormuz and sailing hundreds of miles up the Persian Gulf. Putting troops on it would be the easy part. It's keeping them there that would be tricky
https://www.npr.org/2026/03/19/nx-s1-5750514/trump-iran-war-kharg-island-oil

