Mount Laguna Air Force Station is a closed United States Air Force General Surveillance Radar station. It is located 24.3 miles (39.1 km) north-northeast of Tecate, California. It was closed in 1981 by the Air Force, and turned over to the Federal Aviation Administration (FAA).

The Joint Surveillance System (JSS) is a joint United States Air Force and Federal Aviation Administration system for the atmospheric air defense of North America. It replaced the Semi Automatic Ground Environment (SAGE) system in 1983.