Among others , the group helped spread vital information about German activity at Vemork heavy water plant . Messages about German troop and naval movements were also sent via Skylark . Welle-Strand was ordered to leave Norway for London in May 1941 , and Egil Reksten took over as leader of Skylark B . In September the same year , however , Gestapo managed to track the Skylark B transmitting activity . Egil Reksten and others were arrested and shipped to Nacht und Nebel camps . Reksten survived &mdash; barely , while seven of his ten inmates associated with Skylark B died . Welle-Strand continued his resistance while based in the United Kingdom , and participated in raids towards the coast of Western Norway . He quit the military after the war 's end in 1945 , having gone from second lieutenant to captain in rank in those four years . He was decorated with the St. Olav 's Medal With Oak Branch , the Haakon VII 70th Anniversary Medal and the Defence Medal 1940 – 1945
Haakon VII 70th Anniversary Medal
Haakon VII 70th Anniversary Medal
Erik Welle-Strand