WASHINGTON: President Donald Trump has been trying to force Iran to fully reopen the Strait of Hormuz for months, turning to everything from airstrikes and naval blockades to negotiations and threats to destroy a “whole civilization.” But restoring oil tanker traffic in the vital Middle East shipping corridor to prewar flows likely will require a much bigger armada of US warships if not tens of thousands of American troops on Iranian soil, experts say.

Oman has drafted a proposal to manage traffic in the strait through two separately controlled routes, sources told CNN.

In a bold move, US forces are set to re-establish a naval blockade in the vital Strait of Hormuz, specifically aimed at Iranian operations. This initiative is designed to…