#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
  subtype:  #Air_Corps  #Royal_Air_Force  #Luftwaffe
  member:  #air_unit__airunit  a military unit that is part of the airforce

No statement uses or specializes #air_force; click here to add one.