The following is a presentation by General Barry R McCaffery (USA, retired), on the threat of an Iranian closure of the Strait of Hormuz.
Barry McCaffrey served in the United States Army for 32 years and retired as a four-star General.
At retirement, he was the most highly decorated serving General, having been awarded three Purple Heart medals, two Distinguished Service Crosses, and two Silver Stars for valor.
Currently, General McCaffrey is President of his own consulting firm based in Alexandria, Virginia: www.mccaffreyassociates.com. He also serves as a national security and terrorism analyst for NBC News.