The JEF is a UK-led defence cooperation framework between ten countries. The coalition comprises Denmark, Estonia, Finland, Iceland, Latvia, Lithuania, the Netherlands, Norway, Sweden and the UK, and is primarily intended to be used for operations in the Baltic Sea area, North Atlantic and the Arctic.
The JEF is capable of acting independently in its own right or in support of Nato or the UN. The JEF is a rapid reaction force that can be rapidly deployed in times of crisis or war. Together with nine other nations, the Swedish Armed Forces is to be capable of acting quickly if security is threatened in the Baltic Sea region, for example.
The JEF started 2014 as the UK’s contribution to Nato’s Framwork Nation Concept. The JEF has been fully operational since 2018. Sweden has been part of the JEF framework since 2017.