The UK's 70th anniversary commemorations of the Battle of Britain attracted an unusual visitor to the Royal International Air Tattoo: a rare Messerschmitt Bf 109 fighter. Owned by EADS, the aircraft is one of only a handful of the more than 34,000 Bf 109-class fighters produced which remain airworthy. Also known as "Red Seven", the aircraft was built in 1958 and served with the Spanish air force until 1965, before later taking a starring role in the 1969 film The Battle of Britain. Now carrying Luftwaffe markings, the Bf 109 was due to mark the anniversary by flying in formation...