CIA HUMINT Report: UAP over Soviet Nuclear Weapons Test Site Sary Shagan (1973)

CIA HUMINT report from the PURSUE archive (war.gov/ufo): Human intelligence report from the CIA regarding a UAP over the Soviet nuclear weapons test site Sary Shagan (1970s). The document was released in 2026 under the PURSUE Act. Sary Shagan was a Soviet test site for ballistic missiles and missile defense systems in Kazakhstan — UAP sightings over nuclear weapons facilities are a recurring pattern.