DEPARTMENT OF THE NAVY
OFFICE OF THE CHIEF OF NAVAL OPERATIONS
2000 NAVY PENTAGON
WASHINGTON DC 20350-2000
OPNAVINST 5511.35N
N3/N5
01 Dec 2020
OPNAV INSTRUCTION 5511.35N
From: Chief of Naval Operations
Subj: SAFEGUARDING NUCLEAR COMMAND AND CONTROL EXTREMELY
SENSITIVE INFORMATION
Ref: (a) CJCSI 3231.01
(b) SECNAVINST 5510.36B
(c) SECNAVINST 5510.30C
Encl: (1) Safeguarding Nuclear Command and Control Extremely Sensitive Information
(2) Procedures for Safeguarding NC2-ESI within the Office of the Chief of Naval
Operations
(3) Sample Request for Access to NC2-ESI Memo
1. Purpose. To implement reference (a), the Joint Chiefs of Staff (JCS) policy for safeguarding
nuclear command and control (NC2) extremely sensitive information (ESI). This instruction is a
complete revision and must be reviewed in its entirety. Major changes to this revision include:
a. minor policy changes, while verifying compliance and applicability with current
references.
b. direction for the process for submitting the annual NC2-ESI report to the Joint Staff
Deputy Director, Nuclear and Homeland Defense Operations (Joint Staff J-36/DDNHDO).
c. establishment of Commanding Officer, Take Charge and Move Out Weapons School as
an access granting authority.
2. Cancellation. OPNAVINST 5511.35M.
3. Applicability
a. This instruction applies to all U.S. Navy personnel holders, users, and processors of NC2-
ESI, and material previously classified as Single Integrated Operational Plan-Extremely
Sensitive Information (SIOP-ESI).
