R 071528Z MAY 25
MARADMIN 221/25
MSGID/GENADMIN/CMC CDI WASHINGTON DC//
SUBJ/2025 MARINE EXPEDITIONARY UNIT SUMMIT WRAP-UP MESSAGE//
POC/ANDREW T. LESTER/MAJ/UNIT: DC CDI QUANTICO VA/-/TEL: 
DSN 278-6185/ TEL: COML (703) 784-6185/
ALT POC/PRESCOTT BOISVERT/CIV/UNIT: DC CDI QUANTICO VA/-/TEL: 
DSN 278-0594/ TEL: COML (703) 784-0594//
1.  Situation. The Deputy Commandant for Combat Development and
Integration (DC, CD&I) conducted the Marine Expeditionary Unit 
Summit (MEUSUM) from 15 to 17 April 2025.
1.a. The MEUSUM is a collaborative forum to synchronize the efforts 
of Headquarters Marine Corps, the Operating Forces (OPFOR), and the 
supporting establishments to address challenges and issues on 
matters pertaining to MEU operations, concepts, capabilities, and
requirements.
2. Execution  
2.a. More than 150 participants from the HQMC, OPFOR, supporting
establishments, United Kingdom Royal Marines, and Royal Australian 
Army participated in leveling briefs, operational briefs, and
working groups.
2.a.1. Plenary Summary
2.a.1.a. The MEUSUM began with introductory comments from Director 
of Operations, Plans Policies and Operations (PP&O) and Director of 
Capabilities Development Directorate (CDD), CD&I. Leveling briefs 
were provided by representatives from Chief of Naval Operations for
Expeditionary Warfare (OPNAV N95), Marine Forces Special Operations 
Command (MARFORSOC), Special Operations Forces Liaison Element 
(SOFLE), and Future Operations (POF), PP&O. Operational briefs were 
provided by 24th MEU, 22nd MEU, 26th MEU, II Marine Expeditionary 
Force (MEF), and II MEF Expeditionary Operations Training Group 
(EOTG).
2.a.1.b. Day two opened with comments from representatives from 
Deputy Commandant for Information (DCI). Operational briefs were 
provided by 31st MEU, 15th MEU, 13th MEU, 11th MEU, Naval Beach 
Group I, I & III MEF, I & III MEF EOTG, and Commander Australian 
Amphibious Task Group (COMAUSATG).
2.a.2. Working Groups
2.a.2.a. Working groups were conducted on day three, consisting 
of Executive, Operations Training & Policy, Logistics, Afloat 
Command Control Communication Computer Cyber & Intelligence (AC5I),
Aviation Integration, and Combat Cargo. Unclassified topics and 
recommendations discussed are as follows (not an all-inclusive list).
2.a.2.b. Add Defense of the Amphibious-Task Force (DATF)as a core 
Mission Essential Task (MET). 
2.a.2.c. Standardizing Naval Integrated Fires training across the 
enterprise.
2.a.2.d. Prioritization for modernization and delivery of MEU C5I 
capabilities.
2.a.2.e. Publication of Marine Corps Tactical Publication (MCTP) 
13-10B (Combat Cargo Handbook).
2.a.2.f. Noncombatant Evacuation Operations Tracking System (NTS) 
replacement capability.
2.a.2.g. MEU Command Element table of equipment (TE) review.
2.a.2.h. MEU Noncombatant Evacuation Operations (NEO) MET review. 
2.a.2.i. A comprehensive list of all actionable topics is available
on the Maritime Expeditionary Warfare (MExW) 
data repository listed in paragraph 4.a.
3. Coordinating Instructions
3.a. The quarterly update for the 2025 MEUSUM will be provided over 
secure video teleconference (SVTC) on 
7 August 2025 from 1400-1800 eastern standard time.
3.b. The 2026 MEUSUM will be tentatively hosted in-person from 22-24 
April 2026 in Quantico, Virginia at the General Raymond G. Davis 
Center.
4. Administration and Logistics
4.a. All unit briefs and working group outputs from the 2025 MEUSUM 
are available on the Maritime Expeditionary Warfare Information
Repository on the secure internet protocol router (SIPR) at: 
(https://go.intelink.sgov.gov/mmKJNrt).
5. Command and Signal
5.a. For questions relating to the MEUSUM please contact Major 
Andy Lester at (703) 784-6185 or andrew.lester@usmc.mil and 
Mr. Prescott “Scott” Boisvert at (703)784-0594 or 
prescott.boisvert@usmc.mil.
6. Release authorized by Lieutenant General Eric E. Austin, 
Deputy Commandant for Combat Development and Integration.//