Release 3 includes a CIA-held paper on UFOs jointly authored by Kardashev and Sakharov
Buried in release 3's CIA Cold War file dump is CIA-UAP-008: a speculative paper on unidentified flying objects co-authored by Nikolai Kardashev — the Soviet astronomer who created the Kardashev Scale of civilizations — and Andrei Sakharov, the Soviet H-bomb physicist who won the 1975 Nobel Peace Prize for human-rights work.
Two of the most celebrated Soviet scientists of the 20th century, jointly writing speculatively on UFOs, held in CIA files since the Cold War, now public. The combination of authors alone makes this a noteworthy item independent of what the paper actually concludes. The catalog file name is the only place where their names appear — they're not in the title, not in the description, not in the carousel.
Evidence
The catalog row points at a single PDF:
medialink/ufo/061226/release_03/documents/
CIA-UAP-008_SPECULATIVE_PAPER_BY_N_KARDASHEV_AND_A_SAKHAROV.pdf
That's the entire surfaced identification — the filename itself.
Who they are.
- Nikolai Kardashev (1932–2019) — Soviet/Russian astrophysicist; in 1964 he proposed the *Kardashev Scale*, the canonical framework for ranking hypothetical civilizations by their energy use (Type I planetary, Type II stellar, Type III galactic). The scale is referenced constantly in modern SETI and astrobiology work.
- Andrei Sakharov (1921–1989) — lead designer of the Soviet hydrogen bomb (1953), later turned dissident; awarded the Nobel Peace Prize in 1975 for human-rights work. His name on a UFO speculation paper is the surprising part — Sakharov was a pure-physics theorist with no public association with the UFO field.
Surrounding context in the same release. CIA-UAP-008 sits inside a cluster of 18 historical CIA Cold War UFO files (CIA-UAP-002 through CIA-UAP-019) — the largest single-agency dump in PURSUE so far. The cluster includes:
- CIA-UAP-002 — Robertson Scientific Advisory Panel Report, 1952–1953 (the famous panel)
- CIA-UAP-003 — CIA / Overhead Reconnaissance: U-2 & OXCART Programs 1954–1974 (see [cia-uap-003-u2-oxcart-720mb](/findings/cia-uap-003-u2-oxcart-720mb))
- CIA-UAP-010 — Report on Conversations with Soviet Scientists on the Subject of Unidentified Flying Objects in the USSR (likely the Kardashev/Sakharov companion piece)
- CIA-UAP-011 — The Sary Shagan Weapons Testing Range
- CIA-UAP-014 — British Activity in the Field of Unidentified Flying Objects
- CIA-UAP-015 — Project Blue Book Special Report No. 14
- CIA-UAP-019 — Australian DoD Scientific and Intelligence Aspects of the UFO Problem
The Kardashev/Sakharov paper is a single thread in what amounts to the CIA's Cold War file on *everyone else's* UFO research — Soviet, British, Australian, Hungarian, Indian (CIA-UAP-016 is about Ladakh / Nepal / Sikkim / Bhutan sightings), and Zimbabwean (see [harare-airport-zimbabwe-2008](/findings/harare-airport-zimbabwe-2008)).
What to watch for if you actually open the PDF. Speculative papers held in CIA archives are typically translations of Soviet open-literature publications — picked up by CIA's Foreign Broadcast Information Service or similar. The filename's "SPECULATIVE PAPER" framing is doing a lot of work; it implies the CIA's own categorization of the document, not its title. The actual paper may well be a published 1970s-80s Soviet astrophysics piece about extraterrestrial intelligence (Kardashev was an early SETI proponent), now declassified under PURSUE because of its UFO subject overlap.