Churchill's famous speech, given 70 years ago this summer, came during the Battle of Britain, one of the key conflicts of the Second World War. The battle saw British and German pilots warring in the skies over Britain for several months from July 1940.

You can find digitised combat reports from the Air Ministry on the National Archives Documents Online, their digitised record collection. These fascinating narratives tell the story of the Battle of Britain, describing aerial encounters through the pilots' own words.

Search the air combat reports today* for the wartime hero in your family.

They've also got a range of Battle of Britain titles in their online bookshop - why not treat yourself to a tale of daring exploits and true heroism?