U.S. Marine Lance Cpl. Daniel Johnson and his military working dog, Cpl. Gauge, search for improvised explosive devices during a security patrol in Helmand province, Afghanistan, July 1, 2014. Johnson, a military working dog handler, and Gauge are assigned to Charlie Company, 1st Battalion, 2nd Marine Regiment. U.S. Marine Lance Cpl. Daniel Johnson and his military working dog, Cpl. Gauge, search for improvised explosive devices during a security patrol in Helmand province, Afghanistan, July 1, 2014. Johnson, a military working dog handler, and Gauge are assigned to Charlie Company, 1st Battalion, 2nd Marine Regiment. SHARE: Download: Full Size (0.2 MB) Tags: Photo Essays Credit: VIRIN: 623322-U-KAS23-876.jpg Photo Gallery