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™ C-UAS Precision Strike & ISR Weapons System

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

US Navy Ship

Press release | 11. 12. 2026

L3Harris Demonstrates Maritime Interoperability with FleetLink Communications During US Navy Testing

L3Harris Technologies has completed U.S. Navy operational testing of its FleetLink communications system aboard an Arleigh Burke-class Destroyer.

US Navy Ship

Press release | 11. 12. 2026

L3Harris Demonstrates Maritime Interoperability with FleetLink Communications During US Navy Testing

Concept of displays for JADO ISR

Editorial | 11. 11. 2026

EVEREST: Pacific Vigilance: Powering a Vision for Multi-Domain Denial, Defense and Resilience

Hunterwater is an unmanned system that autonomously searches for, identifies and neutralizes underwater mine threats without putting sailors in harm’s way.

Editorial | 11. 03. 2026

Hunterwater: Taking Sailors Out of the Minefield

Hawkeye-Lite

Press release | 11. 03. 2026

L3Harris Receives SATCOM Order from US Army to Support Key Command and Control Program

A digital rendering of a modern submarine highlights L3Harris mast-raising equipment and electronic control units integrated into the vessel’s sail and hull.

Press release | 11. 02. 2026

L3Harris to Advance Allied Submarine Technology

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