SEF is an annual German maritime exercise in the North Sea and Baltic. It is introduced to intensively train combined and joint warfare aspects on fleet level.

This year, 17 German naval unitsand a remarkable number of aircraft form the core of this maritime TASK GROUP under the command of Capt. Hans Christrian Luther.

SEF participation in the Danish exercise DANEX 2006 is a visible sign of the traditional and professional cooperation between both navies.