In my own opinion, Aero is a hero because he helped little childen  when they were  playing hide and seek and they get lost and Aero found them with  scent of smell. Also Aero is a hero  because he get trains and  get things right and  so he can solve things like Officer Mike. People need  a dog like Aero because he is smart  and know how to find childen who lost . Aero is also a hero because he is amazing  with  all his  training.  Thats are all  the  details about Aero is a hero.   THE END