Stargate Command (SGC) is a fictional military facility in the Stargate franchise, primarily featured in the television series Stargate SG-1. It is located deep beneath Cheyenne Mountain in Colorado and serves as the main hub for exploring other planets through the Stargate, a device that enables instantaneous travel across vast distances in the universe. The SGC is operated by the United States Air Force and is responsible for coordinating missions to other worlds, conducting research, and defending Earth from extraterrestrial threats. The facility houses advanced technology, including the Naquadah reactor and various alien artifacts, and is staffed by a diverse team of scientists, military personnel, and explorers.