April 12, 2026 | ABC Australia Would a U.S. blockade of the Strait of Hormuz work? Home » Iran RADM (Ret.) Mark Montgomery CCTI Senior Director and Senior Fellow April 12, 2026 | ABC Australia Would a U.S. blockade of the Strait of Hormuz work? RADM (Ret.) Mark Montgomery CCTI Senior Director and Senior Fellow Listen Issues: Issues: Iran Military and Political Power U.S. Defense Policy and Strategy