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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;

DescriptionSecret transparency or slide.png	English: A transparency or slide is marked with its overall classification in the image area and on the border, holder, or frame. Other markings may be in the image area, on the border, holder, or frame, or in accompanying documentation.
Date	August 1988
Source	Security Is Everybody’s Business (Technical Document 490, Revision B,) page A-27.
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 28 April 2013 by reviewer Alan.lorenzo, who confirmed that it was available there under the stated license on that date.