Travelling globally at Mach 3.5: the future looked so limitless! Boeing 7207, America's Supersonic Transport of the 70s!
Europe's Concorde, the Soviet Union's Tupolev Tu-144 - and the USA's Boeing 2707: this is what the world of supersonic passenger aviation would have looked like from the 1970s onwards according to US plans. It was obvious that the American [...]