U.S. Air Force Staff Sgt. Larry Harris, 647th Security Forces Squadron military working dog handler, and military working dog "Aron," perform a military working dog demonstration for Radford High School students during career day at Joint Base Pearl Harbor-Hickam, March 22, 2012, in Honolulu, Hawaii. Joint Base Pearl Harbor-Hickam hosted a career day for Radford High School students to see the types of careers the military has to offer.