New dates announced

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See you in Rotterdam on 8-10 December 2020

Undersea Defence Technology, originally scheduled to take place 26-28 May, will now be held at Rotterdam Ahoy, Netherlands on 8-10 December 2020.  

This decision has been made following consultation with the venue and key stakeholders, with the agreement that a new dateline would provide all participants with better opportunities to undertake business.

All exhibition bookings and visitor pre-registrations for the event will be transferred automatically to the new dates and there will be further communication to these groups over the coming days and weeks. Our aim is to facilitate a smooth transition to the new dates for all parties.

Already registered? Scroll down for further information.


 “Further to our announcement regarding the postponement of UDT 2020 due to Covid-19, we would like to thank our committee, sponsors, exhibitors, speakers, attendees and the wider undersea community for their understanding. We know that this is an uncertain time for everyone and so are very appreciative of everyone’s patience. The new December dateline will allow us to deliver the high quality event that our audience have come to expect and we look forward to getting everyone together at the end of the year.”

Tracy Bebbington, Event Director

Further instructions



All exhibition bookings will be transferred automatically to the new dates in December. The floorplan layout has remained the same, meaning all stand sizes and numbers are unaffected.

Updated deadlines for ordering services and other logistical arrangements will be available on the EZONE in due course.

Further assistance

Our sales team will be in touch shortly to answer any questions, however, in the meantime please do not hesitate to contact James Condley, UDT Event Manager, directly.

Send James an email



Speaker engagements will be automatically transferred to the new dates. For further information on abstract submission deadlines, or what to do if you are unavailable to speak on the new dates, please visit the Speaker Information Portal.

Further assistance

The team will be in touch with you to discuss your individual requirements and queries. In the meantime, please contact Alice Macklin, Head of Content, if you need assistance.

Send Alice an email

Registered Attendees

Registered Attendees

Good news, you do not have to do anything at this stage. Your registration will remain valid for the new dates, and you can use the same registration code to collect your badge. 

We will contact you later in the year to re-confirm your intention to attend. This is simply to help us plan logistical arrangements such as catering. We very much hope you can join the undersea defence community in Rotterdam.


What happens if I cannot attend?

Our team are on hand to help. We have a number of flexible options for you to transfer your booking. At your convenience, please contact us to discuss your requirements.

Send us an email



If you have not yet signed up to attend UDT, registration will re-open shortly.

If you would like to receive the latest updates directly, please register your interest here

For anything else, please get in touch with our team.

Send us an email

Covid-19 update - Clarion Events

Clarion Events is continuing to closely monitor the latest public health and government advice in each of the markets where we operate around the world and we are carefully following their guidelines. We would like to thank the customers and communities who support our events for the positive feedback that you have given us.

For the latest information on how our company is responding to the situation, please click here

Do you have a query?

We want to assure you that our priority at all times remains your safety and wellbeing. Thank you for your understanding and ongoing patience during this evolving situation.

If you require any further information, please do not hesitate to contact us.


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