Documents / Report
This National Security Agency release, Part H of a series of Communications Intelligence (COMINT) reports, is undated and marked Top Secret Umbra. It is a set of heavily redacted message excerpts reporting radar tracking of unidentified flying objects. The entries give times, headings, distances in nautical miles and altitudes that reach about 100,000 feet. Several of the objects are labeled as probable balloons. Locations and sources are withheld, and the text reaches no broader conclusions.
“Sea”1 page
RADAR TRACKING OF UFO ACTIVITIES: 1514-1515, ONE UFC WAS TRACKED OPERATING OVER SOUTH OF #0013 NNN
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Report, from the nsa collection. The PDF is mirrored here; the original link is under it. The text was read from the page images by an OCR model; expect the odd misread word. 25 pages are in the text index: search them above, or from the library's search.