It is located 7.0 miles ( 11.3 km ) east - southeast of Hilger , Montana .
Lewistown Air Force Station ( ADC ID : TM - 178 NORAD ID : Z - 178 ) is a closed United States Air Force General Surveillance Radar station .
Lewistown Air Force Station is located 7.0 miles ( 11.3 km ) east - southeast of Hilger , Montana .
Lewistown Air Force Station ( ADC ID : TM - 178 NORAD ID : Z - 178 ) is a closed United States Air Force General Surveillance Radar station .