NASA Unidentified Anomalous Phenomena Independent Study Team

NASA commissioned the team in mid-2022, outside its normal program structure, as a subcommittee of the Earth Science Advisory Committee.
Advanced Aerospace Threat Identification Program

AATIP was a small, unpublicized U.S. government effort housed at the Defense Intelligence Agency. Then–Senate Majority Leader Harry Reid arranged roughly $22 million over five years
Unidentified Aerial Phenomenon Task Force,

The UAP Task Force’s mission was: Detect, analyze, and catalog unidentified aerial phenomena that could pose a threat to U.S. national security, and improve the Department of Defense’s understanding of the nature and origins of UAP incursions into training ranges and designated airspace
All-domain Anomaly Resolution Office

AARO resolves reported UAP reports and issues annual UAP reports to Congress. Also delivered a March 2024 Historical Record Report covering government involvement since 1945