Modern Day Marine (MDM)

Modern Day Marine 2021

Washington, D.C., U.S.A. — Walter E. Washington Convention Center

April 28, 2026 - April 30, 2026

Modern Day Marine is the premier military equipment, systems, services and technology exposition. View the latest Marine-relevant products and solutions, as well as attend service level presentations on future operating concepts, requirements, experimentation and acquisitions objectives, and implications of the emerging operational environment.

Featured Capabilities

VAMPIRE live fire demonstration

VAMPIRE™

DiSCO™ concept image thumbnail

Distributed Spectrum Collaboration and Operations (DiSCO™)

M3 Capabilities: Aircraft Modernization, Missionization and Maintenance, Repair and Overhaul

M3 Capabilities

Next Generation Jammer – Low Band (NGJ-LB) on the EA-18G Growler

Next Generation Jammer – Low Band (NGJ-LB)

L3Harris resilient comms solutions

Resilient Communications and Networks

Electronic Warfare Solutions

Electronic Warfare

L3Harris' Iver underwater autonomous vehicle

Iver Suite of Autonomous Underwater Vehicles

News

MC-3000I Mobile Command Intercom on a maritime mission

Editorial | 05. 28. 2026

Mobile Mission Communications, Simplified: The L3Harris MC-3000I Mobile Command Intercom

The MC-3000I is built to help international defense and security organizations improve operational responsiveness while reducing communications complexity across tactical vehicle and mobile command platforms.

MC-3000I Mobile Command Intercom on a maritime mission

Editorial | 05. 28. 2026

Mobile Mission Communications, Simplified: The L3Harris MC-3000I Mobile Command Intercom

Emergency responder using L3Harris communications

Editorial | 05. 26. 2026

Modernizing Public Safety Communications

Sheriff using XL Converge™ 300P Portable Public Safety Radio

Editorial | 05. 26. 2026

L3Harris Introduces the XL Converge 300P Portable Public Safety Radio

WESCAM MX-20 - MQ-9B - GA-ASI Team SkyGuardian Arctic

Editorial | 05. 25. 2026

Enabling Persistent Arctic Surveillance

WESCAM MX-10 EO/IR low-weight imaging system – low-altitude tactical surveillance and reconnaissance at sea

Editorial | 05. 21. 2026

From Payload to Platform: Autonomous ISR Where It Actually Matters

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The appearance of U.S. Department of War visual information does not imply or constitute DOW endorsement.