Much has been said about the relationship between humans and dogs. Some believe that dogs are man's best friend, while others believe that dogs are only meant to do a certain job. Although some see dogs as just a tool, dogs are known to help humans in times of desperation and need. Whether it's a dog helping a disabled person or searching for a human in a pile of rubble, dogs can be a key factor when it comes to the well-being of humans. In huge tragedies like 9/11, dogs have been a key element in rebuilding the parts of America that terrorists had destroyed when they administered the attacks. Dogs are able to bring unity and support in times of tragedy. While both working dogs and firefighters contributed to the 9/11 reconstruction, the dogs that helped in the aftermath of the attacks were needed for much more than locating trapped victims; they were also needed for support, unity, and comfort. There are many different types of service dogs. There are dogs that work with the police and firefighters, there are dogs that work with the military, there are service dogs and there are dogs that help people with a variety of ailments. In Debra McKinney's online article "Service Dogs Provide a Barrier Against Anxiety," she researches the relationship between a woman named Sara and her service dog Hannah. Sara suffered from a severe case of PTSD, as well as severe depression and social anxiety. He had tried many different medications, different therapists, but his brain was still overwhelmed with constant suicidal thoughts. When it seemed all was lost, Sara found Hannah. Hannah was a Labrador golden retriever trained specifically to help Sara with her multiple... middle of paper...the difference between humans and dogs is that once a human gets over something traumatic, the dog doesn't go away. A dog will not run away just to be seen when the next tragedy occurs. A dog is one of the most loyal and loving creatures on the planet and will be available before and after tragedy. The 9/11 service dogs not only did their job finding survivors and victims of the attacks, but they also served as a source of support, unity, and comfort. Not only for the firefighters but also for the survivors. The need for bonding between humans and animals and the comfort and support that dogs can give people have come in handy in the aftermath of 9/11. If it were not for the support, unity and comfort brought by the 9/11 working dogs, the emotional toll this already traumatic event took on people could have been much worse..