The first Boeing 707 variants that went into commercial service bore the model number 707-120. Boeing also made an upgraded variant of the 707-120 and called it the Boeing 707-120B. These planes ...

you’d be forgiven for thinking the latest Airbus model looks more or less the same as the Boeing 707 that ushered in the Jet Age. But that might soon change, with blended wing airliners looking ...