However, the XB-1's new top speed is still a far cry from Concorde's top speeds. Concorde, retired in 2003, could fly at Mach 2.04 when it was over water, and one of its issues was the sonic boom ...

That day, British Airways operated its last commercial Concorde service from JFK International ... struggles in their efforts to produce new supersonic aircraft for commercial use.

Two decades ago the Concorde took its first-ever flight. It became supersonic in 1969, flying passengers from New York to London in less than three hours. It was the only aircraft in the British ...

Co-developed by Britain and France, Concorde was the first and only supersonic commercial ... similar financial and technological struggles in their efforts to produce new supersonic aircraft for ...