"If these dogs only knew what a difference they make. Certainly, there's nothing that can replace the precision of a dog's nose—and absolutely nothing that can replace a dog's heart."  — Bob Sessions, rescue worker, Federal Emergency Management Agency (FEMA) It’s difficult to believe the ninth anniversary of 9/11 is upon us. In some ways, it is still too raw to even imagine that almost a decade has gone by since that tragic day. September 11th has impacted our lives forever and has touched everyone; families and friends left behind; New Yorkers, Americans, and those who visit our country. My heart goes out to all the families who lost loved ones during that tragic day.  Since FiveSibes is a canine blog, I’d like to reflect upon the call of duty the search and rescue (SAR) dogs, along with their handlers, answered on September 11, 2001, and their loyalty and perseverance to perform their jobs at New York City’s World Trade Center’s Ground Zero, the Pentag