How powerful is the world’s strongest navy today? DW looks at the Strait of Hormuz to show how drones , missiles and asymmetric warfare can disrupt global trade — even against the US Navy. Experts Bryan Clark and Zhou Bo explain why aircraft carriers and bases are no longer enough, how Iran and non-state actors such as the Yemeni Houthis  are exploiting chokepoints, and what lessons are the US and China  drawing for the future of naval warfare.