The St. Louis Fire Department (STLFD or STL City Fire) provides emergency medical services, fire cause determination, fire prevention, fire suppression, hazardous materials mitigation, and rescue services to the city of St. Louis, Missouri. The department is also the second oldest professional and fully paid fire department in the United States. The STLFD is responsible for and has a population of approximately 294,890 with a daytime population of over 2 million. The Fire Department Division is a division of the St. Louis Public Safety Department. The St. Louis Fire Department is led by the Fire Commissioner, currently Dennis M. Jenkerson. The Fire Commissioner and Chief is appointed by the Director of Public Safety and each bureau is commanded by a Deputy Fire Chief, who oversees the department's bureaus. Administrative Services, Fire Prevention, Operations, Support Services, Emergency Medical Services are the major operational units in the St. Louis Fire Department. History The first organized fire department in St. Louis was created in 1822, had several volunteer fire departments in the area. An ordinance was passed to purchase the equipment, which primarily consisted of leather buckets. When the alarm sounded, members of the department would fetch their bucket and rush to the scene. On September 14, 1857, the department transitioned to an all-paid department. The St. Louis Fire Department is the third oldest fully paid fire department, behind the Cincinnati Fire Department and the Providence Fire Department. Specialized units In addition to fire suppression and emergency medical services, the St. Louis Fire Department also has specialized units that include: Aircraft Rescue Firefighting at St. Louis Lambert International Airport Hazmat Task Force Marine Operations with a Boston Whaler called the "Jack Buck & Stan Musial," which is permanently moored on the Mississippi River, along with five other small rapidly deployable boats. Dive and Swift Water Rescue High-Angle Rope Rescue Trench and Collapse Rescue Fire Administration The St. Louis Fire Department is headed by a Fire Commissioner. Currently, the Fire Commissioner and Chief is Dennis Jenkerson, who replaced former Fire Commissioner Sherman George in 2007. The SLFD'S's organization consists of seven bureaus. These include the following: Each bureau is commanded by a Deputy Chief or Deputy Fire Chief or Manager. Bureau of Emergency Medical Services Bureau of Prevention Bureau of Communications Bureau of Support Services Bureau of Fire Inspections Bureau of Fire Investigations Bureau of Fire Suppression Administration Ranks of the STLFD In the