That’s puzzling! Thanks to the author’s sourcing, a quick search turned up a scan of the full article [0]. My initial thought was, maybe it’s a name collision

That’s puzzling! Thanks to the author’s sourcing, a quick search turned up a scan of the full article [0]. My initial thought was, maybe it’s a name collision and this National Security Agency in 1956 is an insurance or accounting firm, but the source article doesn’t elaborate. 0: https://www.librascopememories.com/Librascope_Memories/1950_-_1959_files/560800%20Librazette.pdf https://www.librascopememories.com/Librascope_Memories/1950_...