The year of the Navy’s Katanpää-class mine countermeasures vessels in the NATO Response Force’s Follow on Forces pool will come to an end on 31 December 2020. Nyland Brigade's coastal jaeger troops' period in the same pool will end at the same time.

Finland and Sweden held a combined maritime-surveillance-cooperation exercise at the entrance of the Gulf of Finland 8–9 December 2020. The bilateral exercise developed interoperability between the Finnish and Swedish navies in the areas of maritime surveillance and sharing Recognised Maritime Picture.