I've just been reading a book called 'Dunkirk' by Robert Jackson. He mentions an interesting story about a German Pilot called Von Oelhaven who was shot down over the beaches of Dunkirk/Bray Dunes during the evacuation. He was taken prisoner by some British soldiers and forced to embark one of the vessels waiting at the end of the infamous make shift pier made of wooden planks on top of a line of vehicles to take him back to blighty to be imprisoned. Because of all the hustle and bustle of personel trying to board the rescue craft, he siezed the opportunity, broke free and dove into the sea and hid among the vehicles with water up to his neck...nearly drowning when the tide came in and having to breathe from air pockets etc. He stayed there for over 2 days until the beaches were clear of all British/French troops.......Quite remarkable!