And there was me thinking it was a reference to a film which protrayed an episode in the Second World War when a group of young lads - many the same age as those who follow Rovers - sacrificed their lives by flying over Germany - which at the time was under the Nazi rule and was busy mrudering six millions jews, Gypsies, eastern Europeans, labour leaders, etc - in an attempt to flood the Ruhr valley.
Now football supporters singing about that would be sick, don't you think?