americans brace for the arrival of hurricane irene, a veteran cnn hero was there. 77-year-old wilma melville has beent every major disaster for the past 15 years. >> when the oklahoma city bombing happened, i saw the size of that building on television. i had a hobby of learning to train a disaster search dog. i was deployed to oklahoma city. i did wonder -- can we really do this? can we really find live people? when i got home, i said -- what is this nation doing with approximately 15 fema certified dogs? this one building alone requires far more than 15. my name is wilma melville. our organization trains rescue dogs and firefighter handlers to save lives after a disaster. right turn -- we like to use shelter dogs. it's the humane thing to do. there is nothing better than a dog's nose to find a live human. [ dog barking ] >> we've