Duty Calls: Battle of Britain

Pilot officer Archie Jackson, 19, is in control of the RAF''s newest fighter aircraft, a Supermarine Spitfire.

Now he has the Luftwaffe in his sights and only one thing matters: defending Britain.

Suddenly planes are falling from the sky, exploding and spiralling into the English Channel.

France has fallen and the swastika flies over Occupied Europe. Only these young pilots - barely out of boyhood -...