According to Shephard's Naval Vessels Market Report 2019-2029, the global market for conventional submarines alone is expected to increase to US$8.0 billion in 2029. Cumulatively, the market is expected to have a value of US$90.3 billion over the next decade.

Undersea Defence Technology (UDT), as the largest global event dedicated to the underwater defence industry, is a multi-faceted exhibition and conference reflecting 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 developing solutions in one of the harshest environments known to man.

Rotterdam 2020 marked the 33rd consecutive edition of UDT, however, as a result of the ongoing impact of the COVID-19 pandemic, UDT will no longer take place in 2020. The next edition of the event will be held from 29 June to 1 July 2021 in Rostock, Germany. Each year, the event rotates around venues in Western Europe. Recent locations include:

2019: 13-15 May, Stockholm, Sweden	2014: 10-12 June, Liverpool, UK
2018: 26-28 June, Glasgow, Scotland	2013: 18-20 June, Hamburg, Germany
2017: 30 May - 1 June, Bremen, Germany	2012: 29-31 May, Alicante, Spain
2016: 1-3 June, Oslo, Norway	2011: 7-9 June, London, UK
2015: 3-5 June, Rotterdam, Netherlands	2010: 8-10 June, Hamburg, Germany