#air_force__airforce  an organization of military air forces
  supertype:  armed_service__armedservice__military_service__service  a force that is a branch of the armed forces
  member:  air_unit
  subtype:  Air_Corps  previously the air division of the United States Army
  subtype:  Royal_Air_Force__RAF  the airforce of Great Britain
  subtype:  Luftwaffe  the German airforce

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