Documents / Report
This National Security Agency release, Part B of a set of Communications Intelligence (COMINT) reports, carries no date. It is a heavily redacted collection of intercepted message traffic classified Top Secret Umbra. The messages log radar tracking of unidentified flying objects, noting times, counts, directions of travel and altitudes from about 8,200 to 88,000 feet. Nearly every object is labeled as probably a balloon, and most moved slowly toward the west.
Read from the scan by GLM-OCR; expect the odd misread word.
UNIDENTIFIED FLYING OBJECTS (UFO): 0005-1205, 72 UFO (PROBABLY-BALLOONS) MOVED FROM WEST OF TOWARD WEST AND PASSED AND EAST OF ALT 8,200-75,500 FT]
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Report, from the nsa collection. The PDF is mirrored here; the original link is above. The text was read from the page images by GLM-OCR; expect the odd misread word. 25 pages are in the text index: search them above, or from the library's search.