Cortez, military working dog, Provost Marshal’s Office, bites Staff Sgt. Charles Hardesty, kennel master, PMO, during a demonstration at the Marine Corps Communication and Electronics School Safety Fair at the MCCES barracks, May 15, 2015. The event was held to brings awareness to how Marines can be safe during the "101 Days of Summer." (Official Marine Corps photo by Lance Cpl. Thomas Mudd/ Released) - Cortez, military working dog, Provost Marshal’s Office, bites Staff Sgt. Charles Hardesty, kennel master, PMO, during a demonstration at the Marine Corps Communication and Electronics School Safety Fair at the MCCES barracks, May 15, 2015. The event was held to brings awareness to how Marines can be safe during the "101 Days of Summer." (Official Marine Corps photo by Lance Cpl. Thomas Mudd/ Released)