Analysis: Such missiles travel at five times the speed of sound, are extremely difficult to track and can only by tackled by counter-hypersonic systems
North Korea says leader Kim Jong Un oversaw a successful flight test of a hypersonic missile he claimed would remarkably increase the country’s “war deterrent.”
South Korea has dismissed North Korea’s claim to have recently launched a hypersonic missile as an exaggeration, saying it was a normal ballistic missile that …