DSEI Defence and Security Equipment International (DSEI) is the world-leading event that brings together the global defense and security sector to innovate and share knowledge. DSEI represents the entire supply chain on an unrivaled scale. DSEI 2021 will have multiple key sector-focused Zones and Hubs: Aerospace, Land, Naval, Security, Joint, FutureTech, Manufacturing, Medical, and Space, all showcasing the latest equipment and systems.