The United States of America Department Of Defense published or issued
Title: The Surreptitious Entry Reference Manual
Format:.pdf file
Author:Matthew L. Lease
It is a single .pdf document containing over 28,000 pages of information on various locking mechanisms.
Is this document considered TOP Secret / Secret /Confidential or restricted.
If it had a chance of working I would like to apply in a Freedom of Information request to see it.
Maybe someone here can comment.