What this chronology establishes
These original publications document their institutional dates and wording. Statements, observations and interpretations within them still require separate evaluation.
Documented chronology
- 2021-06-25
ODNI preliminary assessment
An assessment describes reporting limitations and the need for better collection.
Original source · ODNI - 2023-07-26
US House public hearing
The official transcript records attributed testimony and questions.
Original source · US House of Representatives / GovInfo - 2023-09-14
NASA independent study report
The report discusses data quality and methods for studying UAP.
Original source · NASA
Sources
NASAPrimary source
Unidentified Anomalous Phenomena Independent Study Team Report
NASA UAP Independent Study Team
Official sourceOriginal report
Report about data quality and research methods. Official publication does not validate every UAP interpretation.
Published: 2023-09-14 · Accessed: 2026-10-02
SourceODNIPrimary source
Preliminary Assessment: Unidentified Aerial Phenomena
Original sourceOfficial publication
Original publisher record. Publication establishes provenance, not an extraterrestrial interpretation.
Published: 2021-06-25 · Accessed: 2026-10-02
SourceUS House of Representatives / GovInfoPrimary source
Unidentified Anomalous Phenomena: Implications on National Security, Public Safety, and Government Transparency
Original sourceOfficial publication
An official hearing transcript preserves attributed testimony. Witness assertions are not findings established by the hearing.
Published: 2023-07-26 · Accessed: 2026-10-02
SourceRecord history
- Version 1 · Oct 2, 2026 — Initial source-linked library entry