Mission
The NCIS mission is to investigate and defeat criminal, foreign, and terrorist intelligence threats to the United States Navy and Marine Corps, wherever they operate: ashore, afloat, or in cyberspace.
Information Security 

 

SECNAVINST 5510.36A along with the SECNAV M-5510.36 establishes the Department of the Navy Information Security Program (ISP) under the authority of Executive Order 12958, as amended, and in compliance with Department of Defense Regulation 5200.1-R, "Information Security Program, January 1997." The ISP applies uniform, consistent, and cost-effective policies and procedures to the classification, safeguarding, transmission, and destruction of classified information. This regulation also provides guidance on security education and the industrial security program.
  

 SECNAVINST 5510.36A & SECNAV M-5510.36

SECNAVINST 5510.36ASECNAVINST 5510.36A.pdf
SECNAV M-5510.36 - Complete ManualSECNAV M-5510.36 - Complete Manual.pdf
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Naval Criminal Investigative Service, 27130 Telegraph Road, Quantico, VA 22134