UFO研究
Project Hessdalen / Project EMBLA (Norway, 1983–present / Italy 1999–2004)
Project Condign (UK, 1996–2000)
Sturrock Panel Report (USA, 1997)
COMETA Report (France, 1999)
"Disclosure Project" Press Conference (USA, 2001)
Fife Symington Press Conference (USA, 2007)
先端航空宇宙脅威特定計画 (Advanced Aerospace Threat Identification Program, AATIP, USA, 2012-2017)
未確認空中現象タスクフォース(英語版) (Unidentified Aerial Phenomena Task Force, UAPTF, USA, 2020-)
空中物体識別・管理・同期グループ (Airborne Object Identification and Management Synchronization Group, AOIMSG, USA, 2021-)
全領域異常解決局(英語版) (All-domain Anomaly Resolution Office, AARO, USA, 2022-)