sentences:  HEMSI operates up to 22 advanced life support crews from 12 stations with a fleet of 36 ambulances fully equipped with the latest technology.HEMSI is CAAS accredited and is an IAED accredited center of excellence.The Huntsville Police Department has 3 precincts and 1 downtown HQ, 400 sworn officers, 150 civilian personnel, and patrols an area of 194.7+ square miles (this number has grown due to recent annexations).