Vietnam Drone Race Sparks Diplomatic Alarm After Prototype Hits Near‑Supersonic Speed
An international competition in Da Nang ended on Monday when a civilian high‑altitude glider built by an Estonian team exceeded 1,900 km/h, prompting neighbours and delegations in Hanoi to demand explanations. Engineers say the craft was designed to sample typhoons; diplomats say its performance crosses a line that regional arms and export rules did not foresee.