The City of Charleston Police Department (CPD) is the official police force of Charleston, South Carolina. It is South Carolina's largest police department, besides the state police, in terms of manpower, with 422 sworn officers, 137 civilians and numerous reserve officers and non-sworn volunteers. In July, 2011, the department was re-accredited through 2014 with the Accreditation with Excellence Award by the Commission on Accreditation for Law Enforcement Agencies (CALEA). Replacing the former "Flagship Award," the Accreditation with Excellence Award is the highest single-period accreditation award available.