Leave your feedback Share Copy URL https://www.pbs.org/newshour/show/a-military-dog-and-his-handler Email Facebook Twitter LinkedIn Pinterest Tumblr Share on Facebook Share on Twitter Story Sgt. David Olszak is a dog handler for the U.S. Marines at Quantico Marine Base in Virginia. He has completed two tours of duty as a handler in Iraq and now trains police dogs on the base. Olszak talks about what he looks for in a good Working Military Dog and some of the benefits of working with animals.