Just after midday on 5 April 1968 RAF pilot Alan Pollock, senior operational flight commander on No. 1 (Fighter) Squadron, flew Hawker Hunter FGA.9 jet XF442 through the span of Tower Bridge in London. The unauthorised action - which cost him his air force career - was part of a personal protest against the RAF's decision not to celebrate its 50th anniversary with a flypast over the capital.Here's a mockup of what it would have looked like, although eye witnesses said that the plane was even closer to the top span than shown here:
Angels and Ministers of Grace, defend us. Click through to read the amazing story, which is very well told.
Hat tip: Samizdata.