1、Department of Defense INSTRUCTION NUMBER 5030.57 December 5,2011 Incorporating Change 2,Effective October 29,2020 USD(I&S)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 D
2、efense for Intelligence andSecurity(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 SpecialWarnings to Mariners,July 20,19761(d)Public Law 116-92,“National Defense Authorization Ac
3、t for Fiscal Year2020,”December 20,20191.PURPOSE.This Instruction reissues Reference(a)as a DoD Instruction in accordance withthe authority in Reference(b)to update established policy and assigned responsibilitiesconcerning the warning to U.S.mariners of potential political or military hazards affec
4、ting U.S.shipping in accordance with Reference(c).2.APPLICABILITY.This Instruction applies to OSD,the Military Departments,the Office ofthe Chairman of the Joint Chiefs of Staff and the Joint Staff,the Combatant Commands,theOffice of the Inspector General of the Department of Defense,the Defense Age
