See the big UFO events in order, year by year. Every event links to the real government document it came from.
- December 31, 2025 — AARO 2025 annual report — 37 cases remain unresolved
1,247 cases received in 2025; 37 remain unresolved with characteristics consistent across geographically dispersed reports.
Source document - September 15, 2024 — Longitudinal nuclear-site loitering study completed
184 high-confidence incursion events identified across 53 years with statistical significance.
Source document - October 4, 2023 — Eastern Mediterranean fused-sensor anomaly window
Approximately 60 unresolved tracks fused from multiple sensor sources during a 72-hour window.
Source document - August 2, 2023 — DoW removes the career-impact disclaimer for UAP reporting
Memorandum standardizes a single mandatory reporting channel and reframes UAP reports as routine flight safety filings.
Source document - April 3, 2019 — Pacific fragment recovery — analyzed at Oak Ridge
Recovered fragment with documented chain of custody. Isotopic ratios terrestrial; manufacturing process described as inconsistent with known fabrication.
Source document - August 22, 2018 — Submarine transmedium contact corroborated by multiple sensors
A 2018 contact transitioned from submerged to airborne; the compendium calls the corroboration 'consistent across multiple independent sensor packages.'
Source document - January 21, 2015 — Gimbal and Go Fast encounters off the eastern seaboard
Multi-object formation against 120-knot wind; weapons-free authorization granted but not exercised.
Source document - November 14, 2004 — USS Nimitz Tic Tac encounter (now reassessed)
47-page reassessment integrates AEGIS data with FLIR1 and broadens the witness pool by two additional aircrews.
Source document - November 10, 2004 — USS Princeton begins logging anomalous SPY-1 tracks
The 8-day window of approximately 14 anomalous tracks that preceded the Tic Tac encounter.
Source document - December 29, 1980 — Rendlesham Forest — extended witness statements
Coordinated UK release adds previously withheld witness statements from three security forces personnel and a radiation reading.
Source document - November 7, 1975 — Malmstrom AFB nuclear missile site incursion cluster
Malmstrom records described in the longitudinal study include the 1975 incursion event sequence that has long circulated unofficially.
Source document - December 17, 1969 — Blue Book closeout index quietly references follow-on programs
Internal cross-reference shows 701 'unidentified' cases were not closed but referred to classified follow-on programs.
Source document