U.S. Marine Corps Lance Cpl Tyler Hoffman and his military working dog, Khaki, perform a routine security halt in a field during a patrol in Marjah, Afghanistan, July 23, 2010. Hoffman is assigned to Fox Company, 2nd Battalion, 6th Marine Regiment, Regimental Combat Team 7. U.S. Marine Corps Lance Cpl Tyler Hoffman and his military working dog, Khaki, perform a routine security halt in a field during a patrol in Marjah, Afghanistan, July 23, 2010. Hoffman is assigned to Fox Company, 2nd Battalion, 6th Marine Regiment, Regimental Combat Team 7. SHARE: Download: Full Size (3.01 MB) Tags: Photo Essays Credit: VIRIN: 420130-N-YRY86-317.jpg Photo Gallery