The Iowa State Patrol is responsible for the protection and preservation of properties and lives of the residents of Des Moines in Iowa. The department specializes in providing traffic and motor vehicle enforcement and routinely patrol services for roadways, including interstate and state highways and secondary county roads. It has a staff of trained officers who assist in various incidents, such as prison riots, labor disputes and natural disasters, including tornadoes and floods. Operational for more than 45 years, the Iowa State Patrol is equipped with a variety of patrol cars that feature two-way police radio receivers, sirens, spot lights and red lights. The department additionally conduct training programs for employees.