Gruppe Nordsee (Legion Condor)
- Published: 02 March 2011 02 March 2011
- Last Updated: 07 April 2012 07 April 2012
It also established a school for naval officers commanded by Kapitänleutnant Rolf Rüggeberg and with twelve German NCOs among the instructors. Rüggeberg remained as commander of the school after the civil war ended and did not leave until June 1940.