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;

ՆկարագրումClassified document with front and back covers.png	English: Classified document with front and back covers.
Թվական	Օգոստոս 1988
Աղբյուր	Security Is Everybody’s Business (Technical Document 490, Revision B,) page A-10.
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 dtic.mil, was reviewed on 9 February 2013 by reviewer McZusatz, who confirmed that it was available there under the stated license on that date.
Այլ մեկնակերպներ	Commonly used secrecy markings Classified document without covers