NAVY - OPNAV 5513.1F
(N09N2) DEPARTMENT OF THE NAVY SECURITY CLASSIFICATION GUIDES
|Publication Date:||7 December 2005|
To assign responsibilities and establish procedures for preparing and issuing security classification guides for Department of the Navy (hereafter referred to as "Department") classified systems, plans, programs, and projects. This instruction has been substantially revised and should be read in its entirety.