Office of the Chief of Naval Operations
Washington, DC 20350-2000

1 April 1994


From: Chief of Naval Operations
To: All Ships and Stations
(a) OPNAVNOTE 5450ser2227P09B 29Jun68(canefrp:31Jan69) (NOTAL)
(c) OPNAVINST 551O.143A
(f) OPNAVINST 3430.25 (NOTAL)
(g) JCS Memorandum of Policy #30(MOP 30) of 8 Mar 93(Rev1)(NOTAL)

Encl: (1) Mission and Functions of Commander,Naval Security Group Command

1. Purpose. To issue the mission to be accomplished and functions to be performed by Commander, Naval Security Group Command. This instruction has been revised to include Commander, Naval Security Group Command’s responsibilities for Information Warfare (IW)/Command and Control Warfare (C2W) and should be read in its entirety.

2. Cancellation, OPNAVINST 5450. 191A.

3. Organization and Command Relationships a, By reference (a), Naval Security Group Commannd was activated on 1 July 1968 as an Echelon 2 command under a commander reporting directly to the Chief of Naval Operations (CNO), Simultaneously, Headquarters, Naval Security Group Command was established and assigned to CNO for command and support. Concurrently, CNO delegated command and support responsibility for Naval Security Group Command Headquarters and assigned shore activities to Commander, Naval Security Group Command. Naval Security Group Command comprises the Headquarters and assigned shore activities. The Commander, Naval Security Group Command has been designated the Technical Manager of the Naval Reserve Security Group (NAVRESSECGRU) Program by the CNO. The capabilities and requirements of the NAVRESSECGRU are an integral part of the Naval Security Group as used here.

b. Commander, Naval Security Group Command is assigned Department of the Navy-wide responsibilities for cryptology and IW/C2W (reference (f). Reference (g) is germane.

c. Commander, Naval Security Group Command provides technical guidance and support to cryptologic and IW/C2W activities of Navy operating forces.

d. Commander, Naval Security Group Command advises and assists CNO and Fleet Commanders in Chief in planning and programming of cryptologic, IW/C2W and effective use thereof.

e. By reference (b), Commander, Naval Security Group Command also reports to Chief, Central Security Service (CSS) as Navy Element Commander of the CSS and performs cryptologic functions at the National level as Commander of the Navy’s Service.

f. Commander, Naval Security Group Command acts as Executive Agent for the Department of the Navy, by reference (c), for Signals Security matters and, by reference (d), Data Link Vulnerability Assess-ment Methodology within the Navy Vulnerability Assessment Program,

g. The responsibilities of Commander, Naval Security Group Command in regard to Marine Corps participation in Department of Navy cryptologic activi-ties are determined by mutual agreement between CNO and Commandant of the Marine Corps and as prescribed by reference (e).

h. Certain elements of Navy Service Cryptologic Element under Commander, Naval Security Group Command are organized as departments of Naval Communication Stations under Commander, Naval Telecommunications Command. Tbe commanding officers of those telecommunications stations report to Commander, Naval Security Group Command for additional duty.

4. Mission and Functions. The mission and functions of Commander, Naval Security Group Command are delineated in, enclosure (1).

5. Authority Over Organizational Matters. Commander, Naval Security Group Command is authorized to organize, assign and reassign responsibilities within the Naval Security Group Command, including the establishment and disestablishment of such component organizations as may be necessary, subject to the following: (a) authority to disestablish does not extend to any organizational component established by law, and (b) establishment and disestablishment of shore activities and operating forces will be under procedures prescribed in current instructions.

6. Action.Commander, Naval Securhy Group Command will accomplish the mission and perform the functions prescribed in enclosure (1) and advise CNO of items of sufficient importance as to warrant a change to this instruction.


SNDL Parta1and2
Washington DC 2037A5074(150copies)
Control OfRce
Washington NavyYardBuilding 200
901M Street SE
Washington DC 20374-5074 (60copies)
NavalAviation SupplyOffice
ASO Code103
Philadelphia PA 19120-5099 (500copies)
Vice Chief of Naval Operations



To perform cryptologic and related functions; to perform Information Warfare (IW)/Command and Control Warfare (C2W) and related functions; to provide, operate and maintain an adequate Naval Security Group; to approve requirements for the use of existing Naval Security Group capabilities and resources; to coordinate the execution of approved cryptologic/IW/C2W programs; and to exercise command authority over and be responsible for primary support of shore activities of Naval Security Group Command as a naval service-wide system, and such other activities and resources as may be assigned.


1. Provide professional and technical advice to Chief of Naval Operations (CNO) relative to the readiness and capability of Naval Security Group Command to perform its mission.

2. Act as Executive Agent for the Department of the Navy in the discharge of Navy’s cryptologic and IW responsibilities to the National Security Agency (NSA).

3. Provide professional and technical advice to CNO on the conduct of cryptologic and IW/C2W activities of the Department of the Navy. Participate in joint action matters in support of CNO and provide information or specialized assistance on Joint Chiefs of Staff matters. Maintain liaison with and provide representation on Navy committees and groups.

4. Provide support and technical guidance to the operating forces of Navy on cryptologic and IW/C2W matters.

5. Provide or identify through task promulgation required material support to cryptologic and IW/C2W elements of Navy operating forces and shore sites, for equipment and systems under the auspices of Naval Security Group Command world-wide. Accept technical advice on system production, feasibility and relative worth from pertinent Navy Systems Commands. Coordinate with, task as appropriate and appraise efforts of commands and offices of the Department of the Navy and National Security Agency/Central Security Service in fulfillment of Navy logistics support requirements, as directed by the Secretary of Defense.

6. Discharge the responsibility for overall coordination and direction of matters pertaining to command and primary support of assigned shore activities. Participate, as appropriate, in the execution of CNO’S responsibilities for area coordination of shore activities.

7. Coordinate and evaluate training and readiness of Navy cryptologic and IW/C2W personnel and resources and is responsible for field training and qualification of designated personnel to augment units of the operating forces.

8. Develop plans and programs for current and future cryptologic requirements for manpower, equipment, material supplies, facilities, maintenance and supporting services, including quantities, characteristics, times, places and priorities of needs to support the Department of the Navy in the conduct and support of cryptologic and IW\C2W operations as authorized and directed by the Secretary of Defense, including reserve programs to meet emergency or wartime requirements for resources.

9. Assist commands and offices of the Department of the Navy in the preparation of plans, programs and budgets in support of cryptologic operations; act as Executive Agent for the Department of the Navy and coordinate with the NSA and other Department of Defense and national agencies on cryptologic and IW/C2W matters; review and appraise the implementation of approved plans and programs.

10. Develop plans for the Naval Security Group on matters concerning mobilization of command manpower, facilities and equipment.

11. Exercise leadership in Navy–wide programs dedicated to maintaining a high degree of competence among Navy officer, enlisted and civilian personnel in necessary fields of specialization, through education, training, equal opportunity for personal advancement, and maintaining morale and motivation of Navy personnel and prestige of a Navy career.

12. Act as Military Manpower Sponsor and Military Manpower Claimant for assigned activities and as Officer Designator Advisor and Enlisted Rating Technical Advisor to CNO and Commander, Bureau of Naval Personnel in manpower and personnel matters involving cryptology and cryptologic officer designator categories and Cryptologic Technician enlisted rates of Navy. Act as enlisted rating technical advisor to CNO and Chief, Bureau of Personnel for Electronic Warfare enlisted rate.

13. Collaborate with commands and offices concerned to ensure adequacy and availability of support personnel allowances and facilities to provide for care and health of personnel and their dependents at assigned shore activities. Administer and manage Navy occupational safety and health, fire prevention and environmental programs for Navy Security Group Command.

14. Serve as technical manager for NAVRESSECGRU program in accordance with existing Naval Reserve policies; direct and administer the cryptologic aspects of the program within the framework of existing Naval Reserve organization and policy. Responsible for formulating objectives, plans, policies and organization within the Naval Reserve structure; for effective development of Reserve Force cryptologic capability to meet contingency and mobilization requirements; and, for maximum peacetime use.

15. Inspect and investigate the activities of Naval Security Group command and such other activities as may be directed, to determine and maintain efficiency, discipline, readiness, security, effectiveness and economy.

16. Develop, prepare, maintain, review and submit requirements for cryptologic and IW/C2W Research, Development, Test and Evaluation (RDT&E) programs and monitors the progress of these efforts. Plan and direct Naval Security Group efforts in connection with RDT&E programs for systems and equipment requirements in support of cryptologic requirements in coordination with NSA and Navy Systems Commands as appropriate. Participate in maintaining a continuing program of liaison with communications-electronics industries, communications-electronics agencies of other military Services, and defense and national agencies relative to current RDT&E efforts for improvement of Navy cryptology and IW/C2W.

17. Participate in and maintain under continuing review Navy, Joint and Combined plans and policies, and general and contingency war plans; ensure the adequacy and readiness of Naval Security Group capabilities, plans and supporting programs.

18. Participate in NSA studies as required.

19. Administer Naval Security Group Resource Management Systems; prepare operating budget estimates for assigned shore activities and present and defend budget estimates; collaborate with other commands and offices concerning provision of resources to command activities ; review resource usage; and prepare and issue progress reports to higher authority as directed or required.

20. Provide professional and technical advice to assist U.S. Marine Corps in its conduct of cryptologic activities.

21. Operate, manage and direct special security communications systems in support of Navy and national cryptologic requirements world-wide. Provide special security communications advice to CNO and operating forces of the Navy as appropriate.

22. Manage Navy portion of High Frequency Direction Finding System and associated communications support.

23. Operate and maintain CLASSIC WIZARD system and associated communications support under CLASSIC WIZARD Operations Management Plan.

24. Provide and operate monitoring and analysis systems to determine signals security deficiencies and recommend appropriate corrective action. Keep appropriate commanders informed of the state of signals security within the Department of the Navy.

25. Act as Executive Agent for Navy for implementation of the Department of Defense Data Link Vulnerability Assessment Methodology within the Navy Vulnerability Assessment Program. Evaluate and test vulnerabilities of electronics systems being developed for possible U.S. Navy use and make recommendations for minimizing those vulnerabilities.