One of the best ever would have been the RAAF Roullettes, who left their zap on the base of a sports trophy, which was then held aloft on international TV for all to see, by the winning team. Alzheimer's has robbed me of which trophy, but it was only a year or so ago.
My best would have been the RAF Whirlwind after the 1973 International SAR Competition. On the known fact that most helicopter drivers don't look under their machine, "FLY NAVY" was proudly flown by the RAF over central London the morning after the party, leading two USAF Huskies. Made the front page of the Express
