Wichita (pronounce /ˈwɪtʃɨtɔː/), also known as the Air Capital of the World, is the largest city in the U.S. state of Kansas, as well as a major aircraft manufacturing hub and cultural center. In July of 2006, CNN/Money and Money magazine ranked Wichita ninth on its list of the 10 best big cities to live in the United States. The city is home to six major aircraft manufacturing companies and McConnell Air Force Base. Wichita is located in South Central Kansas on the Arkansas River, and is the county seat of Sedgwick County. It is also the home of a National Weather Service Forecast Office which serves portions of central, south-central, and southeast Kansas.