
DEPARTMENT OF THE NAVY
O
FFICE
O
F THE
S
ECRETA
RY
1000
NA
VY
PENTAGON
WASHINGTON DC 20350·1000
SECNAVINST 3070.2A
DUSN
9 May 2019
SECNAV INSTRUCTION 3070.2A
From: Secretary of the Navy
Subj: OPERATIONS SECURITY
Ref: See enclosure (1)
Encl: (1) References
(2) Definitions
(3) OPSEC Program Manager Requirements
(4) OPSEC Working Group Requirements
(5) OPSEC Instruction Requirements
(6) OPSEC Plan Template
(7) OPSEC Program Checklist
(8) Roles and Responsibilities
1. Purpose. Establishes policy, procedures, and
responsibilities for Department of the Navy (DON) Operations
Security (OPSEC) per references (a) and (b).
2. Cancellation. SECNAVINST 3070.2.
3. Definitions. See enclosure (2).
4. Applicability. This instruction applies to the Office of
the Secretary of the Navy (SECNAV), the Chief of Naval
Operations (CNO), the Commandant of the Marine Corps (CMC), and
all U.S. Navy (USN) and U.S. Marine Corps (USMC) installations,
commands, activities, field offices, and all other
organizational entities within the DON. This includes all DON
personnel (military and civilian), as well as supporting
contractor employees.
5. Policy
a. Pursuant to reference (a), the Secretariat, USN, and
USMC shall maintain effective OPSEC that ensures coordination
between public affairs, all security disciplines, operations,
acquisition, intelligence, training, and command authorities and
include mechanisms for enforcement, accountability, threat
awareness, and the highest level of leadership oversight. OPSEC