Add Yahoo as a preferred source to see more of our stories on Google. Concorde, the first and only supersonic commercial jetliner, operated from 1976 to 2003. Flown by royals, celebrities, and ...

Concorde, the first and only supersonic commercial jetliner, operated from 1976 to 2003. Flown by royals, celebrities, and executives, it was discontinued because of high operating costs. A Concorde ...