Dog handlers from the 501st Provost Marshall's Office, K-9 Division, works with the Soldiers from the 3rd Special Troops Battalion, 3rd Brigade Combat Team, 101st Airborne Division, during morning Physical Training. "The dog won't stop biting until I give the command," said MA2 Bradley Frantz, military working dog handler, 501st K9 Division, from Niles, Mich.