Iran's two navies and the fate of its 'Midget Submarines'

Bryan Clark is a senior fellow and director of the Centre for Defence Concepts and Technology at the Hudson Institute. A retired US Navy officer and submariner with more than two decades of service, Bryan served as chief engineer on nuclear submarines and as chief of naval operations staff. He is considered one of the leading US voices on naval warfare. He spoke to us in Spotlight about the situation in the Strait of Hormuz.