High Quality Content by WIKIPEDIA articles! The Battle of Britain Memorial Flight (BBMF) is a Royal Air Force flight which provides an aerial display group comprising an Avro Lancaster, a Supermarine Spitfire and a Hawker Hurricane. The aircraft are regularly seen at events commemorating World War II, upon British State occasions, notably the Trooping the Colour celebrating Queen Elizabeth II`s 80th birthday in 2006 as well as the wedding of Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge in 2011, and at air displays throughout the United Kingdom and Europe.