Search and rescue dog

http://en.wikipedia.org/wiki/Search_and_rescue_dog
Site
http://www.ussartf.org/dogs_search_rescue.htm
How
http://science.howstuffworks.com/zoology/mammals/sar-dog1.htm
Tube
http://www.youtube.com/results?search_query=Search+and+rescue+dog
Some Orgs
http://www.buckeyesardogs.org/