Bretagne was a first responder. She searched for survivors in the wreckage of the World Trade Center after the 9/11 terrorist attacks. She responded to hurricanes Katrina, and Rita. Britagne was the last known surviving rescue dog from 9/11.The 16 year old golden retriever was in failing health. Bretagne was euthanized in Cypress, Texas on June 6th. An honor guard of first responders was on hand.According to CNN, some wept. So did I, while writing this.