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Submarine Escape
and Rescue
Liaison Office

The International Submarine Escape and Rescue Liaison Office (ISMERLO) is an organisation that aims to facilitate an international response for a distressed submarine (DISSUB) and to improve the ability to respond to a call for assistance through its coordination role. Although established by NATO, ISMERLO supports all nations and pursues the involvement of global submarine-operating nations. ISMERLO is a military organisation operating in an international environment focused on the humanitarian objective of saving lives at sea.



SMERWG Winter Panel 2023

Representatives from 15 nations were gathered in Garmisch-Partenkirchen to share experience and knowledge in SMER related topics. A great opportunity to keep in touch and expand the SMER network. Many thanks to USA for hosting in such a scenic environment.

CRF Course 2022

CRF Course 2022

After 2 weeks of training in Taranto, the 2022 Coordinator Rescue Forces course is complete.
We have shared knowledge and learned from one another with a student body representing 10 different submarine operating nations.
The course has been superbly supported and hosted by the Italian submarine school including demonstrations of submarine escape. We have also been delighted to have guest lecturers representing individual rescue and intervention assets,industry, DISSUB medical and psychology, media operations, ISMERLO website operation, and a visit to the Italian coastguard Rescue Coordination Centre in Bari.

Commander, Submarines NATO, Rear Admiral Steve Mack visited the course and highlighted the importance of knowing each other before we need each other.



Happy to host the ISMERLO US reserve detachment in Northwood this week (9-13 May). Once again a team😊👊

In memory of the KRI Nanggala

In memory of the KRI Nanggala

On this day April 21 it is one year since the Indonesian submarine KRI Nanggala went missing.

Our thoughts and prayers goes to the 53 submariners on eternal patrol and their family and loved ones left behind.


ISMERLO visit to Undersea Rescue Command

ISMERLO visit to Undersea Rescue Command in San Diego early Dec 21. Important step for ISMERLO in order to strengthen our relationship and bond. Received great support from URC which is important for us to further improve our website services. Great opportunity for both parties to improve our knowledge and exchange ideas for international cooperation and coordination.


Rescue Systems

Browse the Submarine Rescue Systems within countries and continents