File:Decks of ADP punched and aperture cards.png

This publication is a security overview. It supersedes the NELC pamphlet “Security Is Everybody’s Business” and NOSC Technical Document 490, Revision A, “Security Training.” It provides basic security principles and procedures to ensure uniformity and effectiveness in implementing the Naval Ocean Systems Center’s security program.
Note: All classification markings on sample documents contained herein are for training purposes only;

DescriptionDecks of ADP punched and aperture cards.png	English: Decks of ADP Punched Cards. When the deck is handled and controlled its a single document, only the first and last cards in the deck require the overall classification markings. An additional card is added (or the job control card modified) to show the other required mnarkings.
Date	August 1988
Source	Security Is Everybody’s Business (Technical Document 490, Revision B,) page A-21.
Author	Graydon J. Gerber, Naval Ocean Systems Center (NOSC,) San Diego, California.
Permission (Reusing this file)	Public domainPublic domainfalsefalse This file is a work of a sailor or employee of the U.S. Navy, taken or made as part of that person's official duties. As a work of the U.S. federal government, it is in the public domain in the United States. This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse This file, which was originally posted to http://www.dtic.mil/dtic/tr/fulltext/u2/a200314.pdf, was reviewed on 26 March 2013 by reviewer Alan.lorenzo, who confirmed that it was available there under the stated license on that date.