Skip to main content

DSEI

DSEI Event Page Header

Excel - London

September 9, 2025 - September 12, 2025

Defence and Security Equipment International or DSEI is the world’s largest land, sea and air biennial defence and security exhibition, bringing together senior international trade and military experts from across the entire supply chain. L3Harris has been proudly serving customers in the UK for over 100 years, delivering unique capabilities across land, air, sea, space and cyber. From our 11 U.K. sites we deliver airborne systems, tactical cyber and electronic warfare, secure communications, expanded autonomous EOD systems, air surveillance and defence, warship monitoring and control systems, cyber intelligence operations and autonomous surface vehicle technology.

UK Sizzle

Explore Our Interactive Virtual Experience

Unable to view the experience above? Click Here to launch in a new tab.

Product and Solutions

Related News

VAMPIRE live fire demonstration

Editorial | 08. 29. 2025

L3Harris Launches Counter-Unmanned Systems Initiative

L3Harris Technologies has concentrated decades of expertise across the entire enterprise to develop affordable and reliable best-of-breed solutions to rapidly combat the growing threat of unmanned systems across the globe.

VAMPIRE live fire demonstration

Editorial | 08. 29. 2025

L3Harris Launches Counter-Unmanned Systems Initiative

TerraColor NextGen satellite imagery map

Editorial | 08. 27. 2025

Large-Scale Impact: Global Geospatial Datasets in the Modern World

Jet takes off runway among green field

Press release | 08. 28. 2025

Poland Selects L3Harris Electronic Warfare System for F-16 Fleet

Representatives cut ribbon on a facility in Waco, Texas

Press release | 08. 27. 2025

L3Harris Establishes Center of Excellence for Skyraider II Aircraft Production

Employee assembles turret sensor

Press release | 08. 25. 2025

L3Harris Begins Sensor System Manufacturing in Poland

DSEI Contact Form