It’s caused a global fuel crisis, even though some ships are managing to get through the strait. US President Donald Trump has given Iran an ultimatum to fully reopen the waterway to oil and gas shipments, and called on NATO allies to help in the effort.
We asked naval expert Jennifer Parker, who served for 20 years with the Royal Australian Navy, to explain what kind of military force would be required to reopen the strait to commercial shipping and why the US hasn’t yet taken this step.