OFFICE OF THE DIRECTOR OF NATIONAL INTELLIGENCE
Unidentified Aerial Phenomena
25 June 2021
SCOPE AND ASSUMPTIONS
This preliminary report is provided by the Office of the Director of National Intelligence (ODNI)
in response to the provision in Senate Report 116-233, accompanying the Intelligence
Authorization Act (IAA) for Fiscal Year 2021, that the DNI, in consultation with the Secretary of
Defense (SECDEF), is to submit an intelligence assessment of the threat posed by unidentified
aerial phenomena (UAP) and the progress the Department of Defense Unidentified Aerial
Phenomena Task Force (UAPTF) has made in understanding this threat.
This report provides an overview for policymakers of the challenges associated with
characterizing the potential threat posed by UAP while also providing a means to develop
relevant processes, policies, technologies, and training for the U.S. military and other U.S.
Government (USG) personnel if and when they encounter UAP, so as to enhance the Intelligence
Community’s (IC) ability to understand the threat. The Director, UAPTF, is the accountable
official for ensuring the timely collection and consolidation of data on UAP. The dataset
described in this report is currently limited primarily to U.S. Government reporting of incidents
occurring from November 2004 to March 2021. Data continues to be collected and analyzed.
ODNI prepared this report for the Congressional Intelligence and Armed Services Committees.
UAPTF and the ODNI National Intelligence Manager for Aviation drafted this report, with input
from USD(I&S), DIA, FBI, NRO, NGA, NSA, Air Force, Army, Navy, Navy/ONI, DARPA,
FAA, NOAA, NGA, ODNI/NIM-Emerging and Disruptive Technology, ODNI/National
Counterintelligence and Security Center, and ODNI/National Intelligence Council.
Various forms of sensors that register UAP generally operate correctly and c