Department of Defense
INSTRUCTION
NUMBER 5030.57 NUMBER 5030.57
December 5, 2011 December 5, 2011
USD(I) USD(I)
SUBJECT: Special Warnings to Mariners SUBJECT: Special Warnings to Mariners
References: (a) DoD Directive 5030.57, “Special Warnings to Mariners,” May 3, 1977
(hereby cancelled)
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
(USD(I)), November 23, 2005
(b) DoD Directive 5143.01, “Under Secretary of Defense for Intelligence
(USD(I)), November 23, 2005
(c) Memorandum of Understanding Between the Department of State, Defense,
Commerce, and the Central Intelligence Agency with Respect to Special
Warnings to Mariners, July 20, 1976
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(c) Memorandum of Understanding Between the Department of State, Defense,
Commerce, and the Central Intelligence Agency with Respect to Special
Warnings to Mariners, July 20, 1976
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1. PURPOSE1. 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).
5. RESPONSIBILITIES. See Enclosure.
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https://usdi.dtic.mil/usdi_docs/keyref/dcs/keydocs/2011/MOU%20-
%20DoS%20DoD%20DoC%20CIA%20Special%20Warnings%20to%20Mariners.pdf