A Global Positioning System (GPS) fleet management service would assist a law enforcement office respond to calls and crises more effectively by just knowing which police unit is nearest to the incident location. The knowledge would be known without prior radio contact. With GPS in place, agencies know officer positions when it matters, during a crisis. Established in 1995, GPS consists of 28 satellites in orbit around the Earth. Owned, operated and maintained by the Department of Defense the system provides worldwide coverage. It is free and available 24 hours a day. These satellites are selected to allow for the determination of precise longitude, latitude, and altitude from any position on Earth. Based on the CPS, there are numerous suppliers for tracking and location identification. There are many levels of quality available.