DEPARTMENT OF THE NAVY
O
FFICE
O
F THE
S
ECRETA
RY
1000
NA
VY
PENTAGON
WASHINGTON DC 20350·1000
SECNAVINST 2400.2B
DON CIO
09 Sep 2022
SECNAV INSTRUCTION 2400.2B
From: Secretary of the Navy
Subj: ELECTROMAGNETIC ENVIRONMENTAL EFFECTS AND SPACE WEATHER
EVENT PREPAREDNESS POLICY AND MANAGEMENT
Encl: (
1)
References
(2) Environment
(3) Responsibilities
1. Purpose. This instruction:
a. Establishes the Department of the Navy (DON)
Electromagnetic Environment (EME) policy and management
consistent with national and Department of Defense (DoD) EME
policy directives and instructions, per references (a) through
(n). See enclosure (1) for a full listing of references.
b. Establishes additional related DON policy for
Electromagnetic Environmental Effects (E3), Space Weather Event
Preparedness (SWEP), and continuity of operations, ensuring
compliance with references (h), (i), and (j).
c. Assigns responsibilities in the DON for developing,
implementing, managing, and evaluating EME and SWEP programs,
policies, procedures, and controls.
2. Cancellation. SECNAVINST 2400.2A.
3. Definitions. The terms used in this instruction are defined
in references (a), (b), (h), and (k).
4. Applicability. This instruction applies to the Office of
the Secretary of the Navy, the Chief of Naval Operations (CNO),
the Commandant of the Marine Corps (CMC), and all Navy and
Marine Corps installations, commands, activities, field offices,
and organizations.
a. Federal and DoD policy take precedence over any DON
policy that has conflicting requirements with this instruction.
