(U//FOUO) DoD Instruction: Signals Intelligence (SIGINT)

The following manual is part of a series of “limited release” DoD doctrine publications that are not released to the public.

Instruction O-3115.07: Signals Intelligence (SIGINT)

  • 20 pages
  • For Official Use Only
  • September 15, 2008; Incorporating Change 1, November 19, 2010


1. USD(I). In accordance with References (c) and (h), the Secretary of Defense, as the executive agent for SIGINT and the senior DoD official who coordinates SIGINT responsibilities with the DNI, has delegated responsibility for exercising authority, direction, and control over the DIRNSA/CHCSS to the USD(I). The USD(I), who also serves as the program executive for the approval of Military Intelligence Program (MIP) related actions pursuant to Deputy Secretary of Defense Memorandum (Reference (m)), shall:

a. Serve as the principal staff assistant to the Secretary of Defense pursuant to Reference (c) and as the primary DoD representative to the Office of the Director of National Intelligence (ODNI) for defense intelligence issues.

b. Exercise authority, direction, control, and fiscal management over the National Security Agency/Central Security Service (NSA/CSS) and exercise policy and strategic oversight over SIGINT policy, plans, and programs, to include the directives and policies of NSA/CSS and other DoD Components involved in SIGINT activities.

c. Coordinate the development of a SIGINT Roadmap for the future with NSA/CSS and other DoD Components engaged in SIGINT activities.

d. Coordinate, assess, and deconflict SIGINT-related MIP requirements in association with National Intelligence Program (NIP) requirements.

e. Exercise planning and policy oversight of human capital so that SIGINT activities are manned, trained, equipped, and structured by the Military Departments to support national requirements and DoD missions and fully satisfy the needs of the President, the National Security Council, the Intelligence Community (IC), and the Combatant Commands.

(1) Develop policy and procedures on matters pertaining to the establishment, management, and training of a SIGINT career force in coordination with other DoD Components, as appropriate, and in accordance with DoDI 3305.09 (Reference (n)).

(2) Provide training policy and oversight as it pertains to United States Joint Forces Command integration of SIGINT capabilities into joint exercises and joint training in coordination with the DoD Components.

f. In coordination with the Chairman of the Joint Chiefs of Staff and the Director, Defense Intelligence Operations Coordination Center (DIOCC), evaluate DIRNSA/CHCSS SIGINT plans and programs for adequacy and responsiveness in support of intelligence planning and provide direction and guidance to the DIRNSA/CHCSS.

2. DIRNSA/CHCSS. The DIRNSA/CHCSS, under the authority, direction, and control of the USD(I), shall:

a. Serve as the principal SIGINT advisor to the Secretary of Defense, the USD(I), the Chairman of the Joint Chiefs of Staff, the Combatant Commanders, and the DNI, reporting to the Secretary of Defense through the USD(I), and keeping them fully informed of SIGINT matters.

b. When acting as the SIGINT Functional Manager in accordance with Reference (h), the DIRNSA shall report to the DNI concerning the execution of his or her duties as the SIGINT Functional Manager. In such instances, the DIRNSA should inform the USD(I) of these discussions.

c. Supervise, fund, maintain, and operate NSA/CSS and the United States SIGINT System (USSS) as a jointly-staffed, unified SIGINT organization; exercise control of all SIGINT collection, processing, analysis, production, and dissemination activities of the United States in accordance with References (d), (h), and (k).

d. Provide SIGINT collection, processing, analysis, production, and dissemination activities to support the conduct of military operations in accordance with tasking priorities and standards of timeliness assigned by the Secretary of Defense, the Chairman of the Joint Chiefs of Staff, and the Combatant Commanders. If the provision of such support requires use of national collection systems, these systems shall be tasked consistent with the provisions of Reference (h).

e. Respond to SIGINT-related requirements (e.g., SIGINT collection, processing, analysis, production, dissemination, and other SIGINT issues) in support of the DoD Components, to include planning, operations, assessments, requests for technical information, and other support as required.

f. Collect, process, analyze, produce, and disseminate SIGINT for foreign intelligence in accordance with the objectives, requirements, and priorities established by the DNI, in accordance with Reference (h).

g. Collect, process, analyze, produce, and disseminate SIGINT for counterintelligence purposes, in accordance with Reference (h).

h. (FOUO) Ensure that the capabilities resident in SIGINT activities designated for wartime or contingency deployment are productively used during peacetime in support of appropriate SIGINT and readiness requirements.

i. Provide appropriate SIGINT support to National Intelligence Support Plans.

3. DIRECTOR, NATIONAL RECONNAISSANCE OFFICE (NRO). The Director, NRO, under the authority, direction, and control of the USD(I), shall:

a. In partnership with the DIRNSA, as appropriate, perform the NRO statutory duty in accordance with DoDD 5105.23 (Reference (o)) of researching, developing, acquiring, launching, and maintaining the operational capability of national space-based SIGINT collection systems to meet DoD and IC requirements.

b. In coordination with the DIRNSA/CHCSS and the Commander, USSTRATCOM, as appropriate, provide fact-based, architectural-related recommendations to the DNI and the USD(I) for sound business and mission decisions in relation to current and future SIGINT processing systems architecture.

4. DIRECTOR, DEFENSE INTELLIGENCE AGENCY (DIA). The Director, DIA, under the authority, direction, and control of the USD(I), shall:

a. Manage DoD SIGINT-related intelligence requirements to support DoD all-source intelligence and counterintelligence collection, production, analysis, and dissemination.

b. Collaborate with the Chairman of the Joint Chiefs of Staff, the Military Departments, and the Combatant Commands to develop mechanisms to evaluate the contribution of SIGINT in relation to commander priority information requirements during the production of finished intelligence; provide recommendations to the DIRNSA.

c. Perform analyses of foreign counter-SIGINT threats in coordination with NSA/CSS and other DoD and Government agencies as appropriate.

d. In his or her role as the Director, DIOCC:

(1) Maintain awareness of SIGINT requirements and ongoing operations for which the DIRNSA/CHCSS has delegated SOTA to the Military Departments, the Commandant of the Marine Corps, the Combatant Commands, and the USCG.

(2) In conjunction with the USSTRATCOM Joint Functional Component Command – Intelligence, Surveillance, and Reconnaissance (JFCC-ISR), coordinate intelligence requirements, including SIGINT, for the Combatant Commands and the Military Services. Formulate recommended solutions to deconflict and satisfy requirements for national intelligence; coordinate all SIGINT solutions with the DIRNSA and the National Intelligence Coordination Center (NICC).

(3) In conjunction with JFCC-ISR, coordinate with the Combatant Commands to synchronize DoD intelligence, surveillance, and reconnaissance resources with other collection activities, including SIGINT.

(4) Identify and evaluate competing SIGINT requirements across the Combatant Commands. Communicate with NSA, the Combatant Commands, Military Services, DIA, NRO, and NICC to coordinate SIGINT collection and resolve competition for resources.

(5) Monitor planning and execution of SIGINT support to National Intelligence Support Plans.

(6) Accept and integrate NSA/CSS representation into DIOCC to facilitate SIGINT tasking, coordination, and requirements resolution.

(7) Provide to NSA/CSS validated defense intelligence requirements and recommend prioritization.

e. (FOUO) Ensure compartmented SIGINT operations are provided adequate protection from disclosure; exercise SIGINT units in direct support of compartmented operations as directed by the Secretary of Defense.

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