Office of the Director of National Intelligence
Preliminary Assessment: Unidentified Aerial Phenomena (ODNI, 2021)
Report · written 25 June 2021 · released 25 June 2021
Why this matters
The nine-page report to Congress that reviewed 144 U.S. government UAP reports from 2004 to 2021, explained one (a deflating balloon) and called UAP a flight-safety problem and possible national-security challenge. Note the misspelled 'Prelimary' in the official file name. It began the modern era of official UAP reporting.
Read the original
https://archive.dni.gov/files/ODNI/documents/assessments/Prelimary-Assessment-UAP-20210625.pdf
Hosted by ODNI (archive.dni.gov)
- Original dni.gov path (redirects) · dni.gov
Tags
Part of a collection · step 12 of 16
Declassified UFO Programs
2021: 144 reports, one explained.
Cite
Office of the Director of National Intelligence. "Preliminary Assessment: Unidentified Aerial Phenomena (ODNI, 2021)." 25 June 2021. Released 25 June 2021. https://archive.dni.gov/files/ODNI/documents/assessments/Prelimary-Assessment-UAP-20210625.pdf (accessed via The Quiet Archive, QA-0077).
Shelved nearby
- 2025 QA-0140AARO · Report
AARO FY2025 Consolidated Annual Report on Unidentified Anomalous Phenomena
The Pentagon UAP office's report for fiscal 2025, documenting 319 newly received reports; every resolved case was attributed to conventional causes.
- 2023 QA-0039NASA · Report
NASA Unidentified Anomalous Phenomena Independent Study Team — final report
NASA's first formal study of UAP, by an outside panel of scientists.
- 2023 QA-0141DoD · Memo
U.S. Space Command records on the 2023 ‘UAP Space Tiger Team’
A document released under FOIA case 24-F-1205 describing the 2023 formation of a 'UAP Space Tiger Team', led by AARO, focused on anomalous objects in space and 'transmedium' cases.