Militaries racing to develop hypersonic cruise missiles after deploying Boost-glide vehicles

Hypersonic weapons typically travel at Mach 5 to Mach 10 — or speeds of 3,840 to 7,680 miles per hour. A missile traveling at Mach 5 could hit a target 100 miles away in about 1 minute and 34 seconds. A missile moving at Mach 10, meanwhile, could hit a target 100 miles away in about…