U.S, should INCREASE the pressure on Iran - move U.S. air force bases into Iraqi-Kurdistan, just moments away from Tehran and away from the trouble making Iranian supported Iraqi Shia militias.
Not needed, would bring personnel in easy range of Iranian weapons when we don’t have to.
The base you conceive already exists in Afghanistan and in Saudi Arabia.
Flight time from the Saudi border to the major Iranian oil port and refinery at Bandar Shapur (Hussani) is about 15 minutes