Senior Airman Timothy Rosa, 628th Security Forces Squadron military working dog handler, and his dog Chico, prepare to enter a room, Feb. 11, 2014, in the Air Base Theater at Joint Base Charleston – Air Base, S.C. The 628th SFS hosted joint detection training with the Transportation Security Administration, Boeing, the North Charleston Police Department and the Charleston County Sheriff’s Department, to build on interoperability and cohesion between the agencies. (U.S. Air Force photo/ Airman 1st Class Clayton Cupit)

Senior Airman Timothy Rosa, 628th Security Forces Squadron military working dog handler, praises his dog, Chico, after detecting a threat Feb. 11, 2014, in the Air Base Theater at Joint Base Charleston – Air Base, S.C. The handlers and their dogs conducted routine training with the objective to detect all threats with minimal discrepancies. (U.S. Air Force photo/ Airman 1st Class Clayton Cupit)