The largest global event dedicated to undersea defence technology

Prepare today for the maritime threats of tomorrow. Pre-register now to join us for UDT 2025.

The largest global event dedicated to undersea defence technology

Undersea Defence Technology (UDT) is a multi-faceted three-day exhibition and conference that brings together key stakeholders from across Europe and beyond - reflecting the international interest and investment in undersea security and defensive solutions to enable the community’s desire for continuous learning and development. 

Designed to equip nations to deal with an increasing diversity of threats and challenges, UDT brings together researchers, military end-users and professionals spanning the entire supply chain to evaluate, discuss and connect with like-minded peers to develop solutions, ranging from sub-sea to space.


 

UDT 2025 - the largest global event dedicated to undersea defence technology

Key Information

Conference

For 2025, For 2025, our expert driven conference will explore emerging and existing threats and prospects within the underwater defence domain. This will be witnessed through technical presentations, in-depth case studies, and the sharing of proven best practices.


 

Exhibition

Exhibiting at UDT offers limitless possibilities for industry professional to showcase their advanced undersea defence capabilities and connect with peers, potential clients, and industry leaders from sectors such as Artificial Intelligence (AI), underwater technologies, and defence.

Who will be exhibiting at UDT 2025?

Networking Opportunities

UDT provides a variety of opportunities to help you maximise your networking potential over the three days of the event. You'll have the chance to connect with your target audience and engage in meaningful conversations with new contacts.

Submarines

The event's central focus is the cornerstone of modern undersea defence strategies – submarines.

UDT will explore how to harness the rapid advancement of innovative technologies such as AI-powered navigation, silent propulsion systems, and next-generation combat capabilities to ensure lethality and precision to secure mission success in the undersea battlespace.

Undersea technologies 

UDT brings together a dynamic range of undersea technologies and delves into technical challenges around their creation and implementation, which informs undersea exploration, defence strategies, and critical infrastructure protection. The event will serve as a platform to showcase the latest innovations for undersea inspection, communication, and data analysis, ensuring a comprehensive understanding of the undersea domain. 

Sonar

Undersea acoustics are the key to securing superior situational awareness and operational effectiveness through a clear picture of the undersea battle space.

The show offers a comprehensive view of the latest developments in sonar technology. Attendees can expect to learn about novel methods and solutions in Undersea detection, classification, and communication that enhance operational advantage.

Defence suppliers joining us in Norway

UDT 2024 Post Event Report

Each year, UDT releases a comprehensive post-event report, drawing on insights from the latest edition, UDT 2024.

Before attending UDT 2025, take the opportunity to review the performance of the 2024 event. This will help you enhance your experience and effectively plan for your trip to Oslo in 2025.

UDT Overview

Curious to see what happens at Undersea Defence Technology (UDT)?

Military, public sector and industry representation continues to reach new heights, and the exhibition continues to feature a wide variety of PRIMES and SME's.

Attendee Feedback

The UDT conference was very well organised and stimulating, with a number of excellent speakers and an opportunity to meet with industry colleagues and decision-makers in defence.
Simon Petitt
Complex System Product Lead |  Atlas Elektronik UK
UDT was an interesting exhibition with all the important manufacturers and companies from this particular market segment.
Stefan Gil
CFO |  Stein Sohn GmbH
A fantastic event. UDT provides the opportunity to learn from a huge breadth of experience across a number of key topics.
Lieutenant Anthony Gilroy
Royal Navy, UK