'You might shoot somebody, or you might miss them. But two or three minutes and there isn't an aeroplane in the sky anywhere. They've all gone. Bloody remarkable.' So said Wing Commander George "Grumpy" Unwin, a World War II Battle of Britain fighter pilot whose personal story is featured in a new exhibition about the men and women who lived, worked and fought for their country at RAF Duxford in Cambridgeshire from 1918 to 1961. http://www.bbc.co.uk/news/uk-england-cambridgeshire-21981393