Why did they retire the Concord?

Related questions

1. Does a bullet make a sonic boom?
2. What decibels do humans speak?
3. Can pilots hear the sonic boom?
4. Can you hear when going faster than sound?
5. Can there be thunder without clouds?
6. Are sonic booms illegal?
7. Why do we no longer hear sonic booms?
8. Do you hear a bullet before it hits you?
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Tags

1. #which
2. #flights
3. #following
4. #aircraft
5. #decreased
6. #concorde
7. #france
8. #purchasing
9. #standard
10. #flying
11. #return
12. #ticket
13. #crash
14. #killed
15. #significantly
16. #people
17. #flight
18. #london
19. #retired