Boom Supersonic's first aircraft, the XB-1, completed its first flight today and met "all of its test objectives." From a report: This initial test only saw the aircraft 7,120 feet above sea level and fly at a top speed of 238 knots (274 mph) -- far
This initial test only saw the aircraft 7,120 feet above sea level and fly at a top speed of 238 knots (274 mph) -- far from Mach 1, the speed of sound. The first flight of XB-1 took place at the Moj… [+1678 chars]