Spassk-Dalny Airfield, also known in the US intelligence community as Spassk-Dalniy East, was a Soviet Air Force base in Primorsky Krai, Russia located 6 km (4 mi) northeast of Spassk-Dalny, Russia. Spassk-Dalny was primarily a Soviet Air Defence Forces (PVO) interceptor airfield for defending against Western aircraft, with the 821st Fighter Aviation Regiment (11th Independent Air Defence Army) based here. However, the 219th Long-Range Reconnaissance Aviation Regiment of the 30th Air Army, Long Range Aviation was also a tenant during the 1950s and 1960s, operating Tupolev Tu-16 Badger aircraft for intelligence operations around east Asia.