I toured a Concorde, the discontinued supersonic commercial jet flown by celebrities and royals. Take a look inside.

A Concorde plane at the Intrepid Museum. NekomuraKatsuo/Getty Images 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 plane is open for public tours at the Intrepid Museum in New York City. Supersonic passenger air travel is a thing of the past, but you can still tour the plane that made it possible. In 1962, the governments of Britain and…