List of secret government projects
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The following is a list of documented and alleged secret government projects related to UFOs, non-human intelligence, mind control, intelligence operations, and suppressed technology. All listed projects were either officially classified at their inception or are alleged to have been conducted covertly; some have since been declassified or publicly acknowledged.
| Project | Agency | Period | Purpose | Status |
|---|---|---|---|---|
| Project Sign | USAF | 1947–1949 | Initial USAF investigation of UFO reports | Concluded; succeeded by Project Grudge |
| Project Grudge | USAF | 1949–1952 | Successor to Project Sign; debunking-oriented UFO study | Concluded; succeeded by Project Blue Book |
| Project Blue Book | USAF | 1952–1969 | Official USAF study of UFO sightings | Terminated 1969; 701 cases remained "unidentified" |
| Robertson Panel | CIA | 1953 | Scientific panel convened to evaluate UFO evidence; recommended debunking campaign | Concluded; recommendations implemented |
| Operation Paperclip | JIOA / U.S. Army | 1945–1959 | Recruitment of German scientists including rocket and aerospace engineers | Concluded; brought ~1,600 scientists to U.S. |
| Operation Mockingbird | CIA | 1950s–present (alleged) | Influence and control of American media organizations | Officially denied; alleged to continue in evolved form |
| MK-Ultra | CIA | 1953–1973 | Mind control research including LSD experiments on unwitting subjects | Terminated; exposed by Church Committee |
| Project Monarch | CIA (alleged) | 1950s–present (alleged) | Alleged trauma-based mind control program succeeding MK-Ultra | Unconfirmed; attested by multiple survivors |
| Project Aquarius | NSA / DIA (alleged) | 1953–present (alleged) | Alleged umbrella program for all intelligence community UFO/ET projects | Unconfirmed; referenced in leaked documents |
| Operation Majority | MJ-12 (alleged) | 1947–present (alleged) | Alleged overarching project governing human–ET relations | Unconfirmed; described by William Cooper |
| Project Stargate | DIA / CIA | 1978–1995 | Remote viewing research and operational intelligence gathering | Officially terminated 1995 |
| Project Serpo | DIA (alleged) | 1965–1978 (alleged) | Alleged exchange program sending 12 U.S. military personnel to Zeta Reticuli | Unconfirmed; disclosed by "Anonymous" |
| Majestic 12 | Multi-agency (alleged) | 1947–present (alleged) | Alleged committee overseeing UFO/ET secrecy | Unconfirmed; documents disputed |
| Solar Warden | U.S. Navy (alleged) | 1980s–present (alleged) | Alleged secret space program fleet | Unconfirmed; attested by multiple whistleblowers |
| Advanced Aerospace Threat Identification Program (AATIP) | DoD | 2007–2012 | Study of UAP encounters by military personnel | Confirmed; succeeded by UAPTF |
| Unidentified Aerial Phenomena Task Force (UAPTF) | U.S. Navy / DoD | 2020–2021 | Investigation of military UAP encounters | Succeeded by AARO |
| All-domain Anomaly Resolution Office (AARO) | DoD | 2022–present | Official UAP investigation office | Active |
| COINTELPRO | FBI | 1956–1971 | Surveillance and disruption of domestic political organizations | Officially terminated; tactics alleged to continue |
| Project Grudge (MJ-12) | U.S. Air Force (alleged) | 1949– | Alleged classified version of public Project Grudge with ET contact records | Unconfirmed |
| Montauk Project | U.S. Air Force / U.S. Navy (alleged) | 1971–1983 (alleged) | Alleged time travel and mind control experiments at Montauk Air Force Station | Unconfirmed; attested by multiple witnesses |