DEPARTMENT OF THE NAVY
OFFICE OF THE CHIEF OF NAVAL OPERATIONS
2000 NAVY PENTAGON
WASHINGTON, DC 20350-2000
OPNAVINST 3501.363C
N95
19 Oct 2022
OPNAV INSTRUCTION 3501.363C
From: Chief of Naval Operations
Subj: MARITIME EXPEDITIONARY SECURITY FORCES REQUIRED OPERATIONAL
CAPABILITIES AND PROJECTED OPERATIONAL ENVIRONMENT
Ref: (a) OPNAVINST C3501.2L (NOTAL)
(b) NTTP 3-10.1 Maritime Expeditionary Security Force Operations
(c) NWP 3-07 Maritime Stability Operations
(d) NTTP 1-03.5 Defense Readiness Reporting Systems-Navy Reporting Manual
(e) NWP 3-10 Navy Expeditionary Combat Command Forces
(f) NTTP 3-20.6.29M Tactical Boat Operations
(g) OPNAVINST 5530.14E
(h) JP 3-07.2 Antiterrorism
(i) NTTP 3-07.2 Navy Doctrine for Antiterrorism - Force Protection
(j) NTTP 3-07.2.3 Law Enforcement and Physical Security
(k) COMUSFLTFORCOM Maritime Expeditionary Security Force Concept of
Operations of 11 Apr 2007
Encl: (1) Operational Mission Areas for Maritime Expeditionary Security Force
(2) Projected Operational Environment for Maritime Expeditionary Security Forces
(3) Required Operational Capabilities for Maritime Expeditionary Security Forces
(4) Required Operational Capabilities for Maritime Expeditionary Security Group
(5) Required Operational Capabilities for Maritime Expeditionary Security Squadron
Headquarters
(6) Required Operational Capabilities for Security Boat Companies
(7) Required Operational Capabilities for Security Platoon
(8) Required Operational Capabilities for Embarked Security Team
1. Purpose. To establish and issue the required operational capabilities (ROC) and projected
operational environment (POE) for the Maritime Expeditionary Security Force (MESF)
a. Summary of Changes. The MESF has reorganized into mission specific units of action to
include Maritime Expeditionary Security Squadron (MSRON) Headquarters (HQ), security boat
companies, and security platoons. Additionally, Maritime Expeditionary Security teams have
been renamed Embarked Security Teams (EST). Each unit of action and EST have their own
specific set of ROCs.
