 Royce of 504 Squadron became the first AAF pilot to be awarded the DFC, Sergeant Ray Holmes of 504 Squadron was forced to ram a Dornier bomber intent on attacking Buckingham Palace when his guns jammed during the attack.This event was immortalised in the film "Battle of Britain".Famous rugby player and Russian prince Alexander Obolensky flew with 504 Squadron, dying in accident on 29 March 1940.