Dmitry Medvedev has warned that any U.S. invasion of Iran could spiral into a Vietnam-style quagmire, trapping forces in a prolonged and costly conflict. As reports emerge of potential “boots on the ground,” strategic targets like Kharg Island are being discussed as possible objectives. Military experts caution that Iran’s defensive preparedness and terrain could challenge even advanced U.S. firepower, raising risks of wider regional escalation and long-term instability.