## Department Of Defense Instruction

NUMBER 5030.57
December 5, 2011
Incorporating Change 2, Effective October 29, 2020

## Subject: Special Warnings To Mariners

References: (a) DoD Directive 5030.57, "Special Warnings to Mariners," May 3, 1977
(hereby cancelled)
(b)
DoD Directive 5143.01, "Under Secretary of Defense for Intelligence and Security (USD(I&S)), October 24, 2014, as amended
(c)
Memorandum of Understanding Between the Departments of State, Defense,
Commerce and the Central Intelligence Agency with Respect to Special
Warnings to Mariners, July 20, 19761
(d)
Public Law 116-92, "National Defense Authorization Act for Fiscal Year 2020," December 20, 2019
1. PURPOSE.  This Instruction reissues Reference (a) as a DoD Instruction in accordance with the authority in Reference (b) to update established policy and assigned responsibilities concerning the warning to U.S. mariners of potential political or military hazards affecting U.S. shipping in accordance with Reference (c).

2. APPLICABILITY.  This Instruction applies to OSD, the Military Departments, the Office of the Chairman of the Joint Chiefs of Staff and the Joint Staff, the Combatant Commands, the Office of the Inspector General of the Department of Defense, the Defense Agencies, the DoD Field Activities, and all other organizational entities within the DoD (hereinafter referred to collectively as the "DoD Components"). 3. DEFINITIONS.  See Glossary. 4. POLICY.  It is DoD policy that the implementation of DoD responsibilities for special warnings to U.S. mariners shall be in accordance with the guidelines and criteria set forth in Reference (c).

1https://usdi.dtic.mil/usdi_docs/keyref/dcs/keydocs/2011/MOU%20-
%20DoS%20DoD%20DoC%20CIA%20Special%20Warnings%20to%20Mariners.pdf
5. RESPONSIBILITIES.  See Enclosure.

6. RELEASABILITY.  **Cleared for public release.**  This instruction is available on the Directives Division Website at https://www.esd.whs.mil/DD/. 7. SUMMARY OF CHANGE 2.  This administrative change updates the title of the Under Secretary of Defense for Intelligence to the Under Secretary of Defense for Intelligence and Security in accordance with Public Law 116-92 (Reference (d)).

8. EFFECTIVE DATE.  This Instruction is effective December 5, 2011.

Michael G. Vickers Under Secretary of Defense for Intelligence Enclosure Responsibilities Glossary

## Enclosure Responsibilities

1. UNDER SECRETARY OF DEFENSE FOR INTELLIGENCE AND SECURITY (USD(I&S)).  The USD(I&S) shall:

a. Have overall responsibility for dissemination of special warnings to U.S. mariners.
b. Represent the DoD in maintaining and updating Reference (c).
2. DIRECTOR, NATIONAL GEOSPATIAL-INTELLIGENCE AGENCY (NGA).  The Director, NGA, under the authority, direction, and control of the USD(I&S), shall:

a. Expeditiously disseminate special warnings. b. Distribute copies of special warnings to interested agencies.
c. Provide receipt of acknowledgement messages generated by special warnings to the Maritime Administration on a continual basis.

## 3. Heads Of The Dod Components.  The Heads Of The Dod Components Shall:

a. Ensure information germane to the safety of U.S. mariners is made available to the Department of State, NGA, and the National Maritime Intelligence Center by the most expeditious means.

b. Ensure that communications related to the safety of U.S. mariners is prefaced with
"Mariner Special Warning Information" to aid in alerting interested parties.

## Glossary Part I.  Abbreviations And Acronyms

NGA
National Geospatial-Intelligence Agency USD(I&S) Under Secretary of Defense for Intelligence and Security

## Part Ii.  Definitions

These terms and their definitions are for the purpose of this Instruction.

special warnings.  A limited series of urgent warnings approved by the Department of State and disseminated by the Director, NGA, which disseminate official U.S. Government proclamations


affecting navigation and political or military incidents that could develop into direct threats to the safety of U.S. mariners. U.S. mariners.  Crewmembers of U.S. flagged merchant ships, U.S. effectively controlled merchant ships, research vessels, offshore oil rigs, fishing boats and yachts, and personnel on all U.S. naval ships, Army vessels, and other Government-owned ships having been issued a U.S. merchant mariner document and the Standards of Training, Certification, and Watchkeeping certificate issued by the U.S. Coast Guard.