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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;

ՆկարագրումPhotograph and transparency or slide.png	English: A photograph is marked with the overall classification on its face, if at all possible. Other markings may be on the back of the photograph. Markings may be affixed by pressure tape label, stapled strip, or other means.
Թվական	Օգոստոս 1988
Աղբյուր	Security Is Everybody’s Business (Technical Document 490, Revision B,) page A-27.
Հեղինակ	Graydon J. Gerber, Naval Ocean Systems Center (NOSC,) San Diego, California.
Իրավունքներ (Նիշքի վերաօգտագործումը)	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 Security Is Everybody’s Business (Technical Document 490, Revision B,) page A-27., was reviewed on 29 April 2013 by reviewer McZusatz, who confirmed that it was available there under the stated license on that date.