article_snippet: The bond between a handler and their K-9 can only be built over time.
article_snippet: It's a closeness that becomes intrinsic, with the dedication of the dog built not on money or benefit, but love.
article_snippet: Scroll down for video .
article_snippet: Kevin Nelson, 802nd SFS kennel master. '
article_snippet: Together they participated in the Texas Toughest Dog competition.
article_snippet: our dogs are our brothers and sisters in arms as well,' Kevin Nelson added.