Possible Clues:

• German air force
• Those old foreign high flyers - the ones that left the neighbour's place like a bomb hit it
• The German airforce
• Hitler's air force
• European force repeatedly once inspiring dread around Britain’s heart but repelled?
• Foreign fliers beginning to fly at heads of untold falcons, flew madly
• Those old foreign high-flyers ¿ they left the neighbour's place looking like a bomb hit it
• Lorna with a fortissimo note, who rose to Berlin�s demands
• Air force, European with very loud 18, admitting time's up
• The German Air Force