The
BBC Today programme is doing a piece on the BoB.
In the web page writeup they quote a shocking encounter in 2010 Britain:
Ronald Tooke [who was 19 in 1940] recently went into a shop near his Hampshire home, wearing his Battle of Britain badge.
The young shop assistant asked him what it was, so he told her. "And which Battle of Britain would that be?" she asked. And it was not a joke.