UNCLASSIFIED 020 All-Domain Anomaly Resolution Office US Department of Defense CLEARED Case: "Western United States" For Open Publication Case Resolution I 8 May 2023 Oct 04, 2023 Department of Defense OFFICE OF PREPUBLICATION AND SECURITY REVIEW (U) Key Findings (U) AARO assesses that the UAPs in this case (U) Case Essentials were almost certainly commercial aircraft travelling on well-established air corridors as far (U) Military personnel reported this case as 300 nautical miles from the platform, based due to the observed UAP presenting a on a thorough review of the data by multiple potential incursion into restricted analytical and scientific entities. airspace. The UAP were described as • (U) Military personnel reported seeing five equidistant lights that flew at a relatively equidistant lights that they believed constant pace represented a potential incursion into (U) Location: Western United States restricted military airspace. military airspace • (U) AARO's Intelligence and Science and (U) Date(s): 2021 Technology (S&T) partners independently came to the same conclusion in accordance (U) Altitude: Between 20,000 to 40,000 with AARO's analytic framework. feet • (U) The objects strongly correlated with (U) Shape: Oblong dots/lights specific commercial aircraft travelling on (U) Reporter: Military personnel different air routes up to 300 nautical miles from the sensor. (U) Sensor: Infrared (IR) (U) Behavior: Equidistant lights that (U) Intelligence Assessment flew at a relatively constant pace (U) Analysis of the objects' positions and (U) Case Status: Resolved; the lights acquisition of additional data led AARO to the were aircraft up to 300NM away from the conclusion that the objects were significantly sensor farther from the platform than originally estimated by the observers. All-Domain Anomaly Resolution Office Chief of Staff, AARO Authority: FY24 NDAA, now codified at 44 U.S.C. 2107 Page determined to be Unclassified Date: 2/6/2025 Reviewed by Chief of Staff, AARO Released in Full: X IAW FY24 NDAA, Section 1841 (a)(1)(C) Date: 02/06/2025 Case Number: 330UAP000020 1 UNCLASSIFIED