The South Central Regional Explosives Unit responds to hundreds of explosive related calls in 33 Colorado counties each year. The Unit has responded to calls for service involving drug facilities, and suspicious packages. The unit responds and serves as the primary bomb squad for Homeland Security in the South Central Region, which encompasses five counties: Chaffee, El Paso, Lake, Park and Teller, as well as the Colorado Springs Metropolitan area (total estimated population of 720,256).