Documents / Official release
This is a case resolution from the Department of Defense's All-domain Anomaly Resolution Office (AARO), dated 17 March 2023, for the "Southeast Asia Triangles" case. Satellite imagery from 30 August 2017 showed six dark triangles in formation, and they were flagged as possibly anomalous and a possible risk to navigation. AARO's intelligence and science and technology partners compared the image with other imagery. They concluded that the objects were almost certainly static, cone-shaped fishing nets floating on the ocean, each about 11m by 7m.
UNCLASSIFIED All-domain Anomaly Resolution Office US Department of Defense Case: "Southeast Asia Triangles" Case Resolution I 17 March 2023 (U) Key Findings (U) AARO assesses that the subjects of the "Southeast Asia Triangles" case from 2017 almost certainly are cone-shaped static fishing nets floating on the surface of the ocean. This conclusion is based on a thorough review of the evidence by AARO's Intelligence and Science and Technology (S&T) Partners. • (U) The image was originally flagged as containing potentially anomalous objects and posing a risk to navigation. Additional imagery of the area from 2017 was discovered and collected. • (U) Both the Intelligence and S&T teams compared the size, shape, and location of the initial image to existing and subsequent images in the same region, and compared it to libraries of known morphologies. (U) Intelligence Assessment (U) AARO's Intelligence partners examined the image and compared it other imagery. (U) Case Essentials (U) Six triangular objects in a formation were originally flagged as potentially anomalous and potentially posing a risk to navigation (U) Location: Southeast Asia (U) Date: 30 August 2017 (U) Altitude: N/A (U) Shape: Six dark triangles (U) Reporter: An Intelligence Community Member (U) Sensor: Satellite imagery (U) Behavior: Noted as possible risk to navigation (U) Case Status: Resolved; Objects are fishing nets on the ocean surface Specifically, they located a clearer image in the vicinity of the objects in question. • (U) The images from 2017 display several triangles and were confirmed to be static, cone-shaped fishing nets. • (U) These triangular fishing nets were compared to the black triangles from the 2017 imagery and it was confirmed that are all are approximately the same size of about 11m x 7m. 1 UNCLASSIFIED All-Domain Anomaly Resolution Office Chief of Staff, AARO Authority: FY24 NDAA, now codified at 44 U.S.C. 2107 Date: 2/6/2025 Released in Full: X Case Number: 330UAP000019 Page determined to be Unclassified Reviewed by Chief of Staff, AARO IAW FY24 NDAA, Section 1841(a)(1)(C) Date: 2/6/2025019
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Official release, from the nara collection. The PDF is mirrored here; the original link is above. 3 pages are in the text index: search them above, or from the library's search.