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

L3Harris and CTM PGZ sign MOU for WIDMO Combat Team Radio in Poland

Editorial | 09. 10. 2026

L3Harris Signs Agreement with CTM for Tactical Communications Production in Poland

L3Harris Technologies and Osrodek Badawczo – Rozwojowy Centrum Techniki Morskiej S.A. (CTM), a member of Polska Grupa Zbrojeniowa S.A. (PGZ), have signed a Memorandum of Understanding for the potential in-country production of a Polish WIDMO Combat Team Radio.

L3Harris and CTM PGZ sign MOU for WIDMO Combat Team Radio in Poland

Editorial | 09. 10. 2026

L3Harris Signs Agreement with CTM for Tactical Communications Production in Poland

L3Harris concept graphic networks across America

Editorial | 09. 09. 2026

Protecting the Homeland: A Proven Nationwide Network and Its Potential to Defend America

VAMPIRE counter-unmanned system

Press release | 09. 08. 2026

L3Harris Delivering Counter-Drone Systems to US Navy

Viper Shield illustrated on aircraft

Press release | 09. 03. 2026

L3Harris Completes Production of First F-16 Viper Shield Electronic Warfare Systems

Nancy Grace Roman Space Telescope launches from Florida

Press release | 08. 30. 2026

L3Harris Celebrates Successful Launch of NASA’s Nancy Grace Roman Space Telescope

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