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A list dedicated to the discussion of various communications systems used by the U.S. military and civilian authorities during is a Restricted Group with 1525 members.
A list dedicated to the discussion of various communications systems used by the U.S. military and civilian authorities during
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RE: Protective Design Center history page
Seems to be back up again. I m mirroring it in case it goes down again. http://pdcunx.nwo.usace.army.mil/
Message 1 of 1 ,
Feb 11, 2000
Seems to be back up again. I'm mirroring it in case it goes down again.
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