Camp Blanding Joint Training Center is the primary military reservation and training base for the Florida National Guard, both the Florida Army National Guard and certain nonflying activities of the Florida Air National Guard. The installation is located in Clay County, Florida, near the city of Starke in adjacent Bradford County. However, while Camp Blanding utilizes a Starke address, it is located totally within the confines of Clay County. The site measures about 73,000 acres (30,000 ha) and includes Kingsley Lake. It also hosts other Reserve, Army National Guard, Air National Guard, and some Active Component training for the U.S. Armed Forces.

The Florida National Guard is the National Guard force of the state of Florida. It comprises the Florida Army National Guard and the Florida Air National Guard.