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(visit the link for the full news article)
Unable to copy from the pdf... but basically it appears the NSA has declassified documents verifying that an extraterrestrial intelligence has attempted to contact us on 29 occassions, although I don't believe the messages have been fully deciphered.
Re-reading both documents (Extraterrestrial Intelligence from NSA Technical Journal Vol. XI No. 2 pp. 101 and Key to the Extraterrestrial Messages from NSA Technical Journal Vol XIV, No. 1 pp. 13) I'm fairly certain this is an exercise from one of Dr. Lambros D. Callmahos's CA-400 senior cryptanalytic courses.
The first document Extraterrestrial Intelligence starts out with the title, author, and classification, or rather the lack of classification. The article is stamped, "Unclassified". Meaning that the document, even at it's initial release, could be read by anyone. No security clearance required.
That immediately tells me, "This is an exercise, a mind game, not a real comm."
Originally posted by basil40
Sorry Guys, I think this was covered previously here:
Seems it may just have been an exercise.