United States (undisclosed) — 31 DEC 1999

Incident summary

FBI photographs from New Year's Eve 1999 show unidentified aerial phenomena in the same frame as a U.S. aircraft. Released in PURSUE Release 01.

Why this case matters

This incident is logged in the Pentagon's PURSUE catalog — the U.S. Department of War's rolling declassified UAP file release (Release 01 on 2026-05-08, Release 02 on 2026-05-22) — under identifier PURSUE-025. The originating agency is the Federal Bureau of Investigation; the case is currently classified DECLASSIFIED and rated ANOMALOUS by the All-domain Anomaly Resolution Office (AARO). UAP.WATCH mirrors the original record, adds a geographic and temporal index, and links every claim back to the canonical war.gov source.