11. How do civilian flypasts differ from military ones? 12. In 2008, a flypast of 55 aircraft commemorated the RAF's 90th anniversary. 13. The RAF made an appearance, with flypasts by Mosquitos at 13.00 hrs. 14. Sopwith's 100th birthday was marked by a flypast of military aircraft over his home. 15. Two years later, Duxford was chosen to provide the aircraft for the 1953 Coronation Flypast . 16. Further flypasts occurred on 6 June 1994, celebrating the 50th anniversary of D-Day. 17. F18 Hornet of the Finnish Air Force performed a flypast over the city during the ceremony. 18. Following the arrival of the Queen there was a flypast by the Red Arrows display team. 19. The ceremony featured a 21-gun salute and a flypast by military helicopters and jet fighters. 20. Flypasts over former Eighth Air Force bases are also carried out whenever possible during the summer months.