Willmar Air Force Station (ADC ID: SM-139) is a closed United States Air Force General Surveillance Radar station. It is located 5.3 miles (8.5 km) northwest of Willmar, Minnesota. It was closed in 1961.
Willmar Air Force Station (ADC ID: SM-139) is a closed United States Air Force General Surveillance Radar station. It is located 5.3 miles (8.5 km) northwest of Willmar, Minnesota. It was closed in 1961. (en)