2,200 Marines with the 31st Marine Expeditionary Unit, accompanied by the Tripoli Amphibious Ready Group: which consists of the USS Tripoli (LHA-7), USS San Diego (LPD-22), and USS New Orleans (LPD-18), alongside roughly 20 F-35B Lightning lls, have been ordered to deploy to the Middle East, amid the ongoing conflict with Iran, according to ABC News.